What to grow in July 2012

July plantings are very similar to those for June, but in areas experiencing very cold winters with late frosts peas can be planted later because pea plants are frost hardy but the flowers are not. Don’t forget to snap some outer leaves of cauliflower plants and bend them over the curd to prevent the curds discolouring in sunlight.
The following gardening advice is an abbreviated list for vegetables, fruit trees and some culinary herbs that can be planted in July in Australia and New Zealand. A comprehensive monthly guide that includes planting times for the entire garden, as well as when to fertilise, prune, weed, take cuttings or divide plants plus individual cultivation notes can be found in my book Easy Organic Gardening and Moon Planting (Scribe Publications, 2006, 2009 2012) – now also available as an e-book.

WARM CLIMATE South of Rockhampton
Before the Full Moon, grains can be sown directly into beds, as well as a green manure crop of red clover. Cabbage and spring onions can be sown. Lettuce and silverbeet can be sown in a cold frame.
During First Quarter phase, tomatoes can be sown in a cold frame.
During Full Moon phase, Jerusalem artichokes, radish and turnip can be sown directly into beds, as well as potatoes in Brisbane and areas south. Beetroot can be sown in a cold frame. Asparagus and rhubarb crowns, fig, pistachio and other deciduous trees and vines can be planted.

WARM CLIMATE Rockhampton northwards
Before the Full Moon, open Chinese cabbage, grains, lettuce, mizuna, rocket, silver beet, tatsoi, chamomile, coriander and sunflower can be sown directly into beds, as well as a green manure crop of lablab or corn.
During First Quarter phase, bush and climbing beans, popcorn and sweet corn can be sown directly into beds, and pumpkin, spring onion, summer squash, tomato, watermelon and zucchini can be sown or planted out. Capsicum and eggplant can be sown in a cold frame.
During Full Moon phase, beetroot, radish, turnip can be sown directly into beds, and avocado, banana, fig and pistachio can be planted.

TEMPERATE CLIMATE
Before the Full Moon, a green manure crop of broad bean (faba bean) or field pea can be sown. In a cold frame, sow celery and lettuce. In frost-free areas, suitable lettuce and spring onions can also be sown or planted out. English spinach can be sown directly into beds in colder areas.
During First Quarter phase, dwarf broad beans and peas can be sown directly into beds.
During Full Moon phase, Jerusalem artichokes, garlic, potatoes and radish can be sown directly into beds, and mid season onion seedlings, asparagus and rhubarb crowns, kiwifruit, pistachio and other deciduous trees and vines can be planted. In frost-free areas, fig can be planted.

COOL CLIMATE
Before the Full Moon, English spinach can be sown directly into beds, as well as a green manure crop of broad bean (faba bean) or field pea.
During First Quarter phase, dwarf broad beans and peas can be sown directly into garden beds (see link in the June planting post on when to sow Broad beans and peas for your local climate).
During Full Moon phase, late season onions can be sown, and asparagus and rhubarb crowns, deciduous fruit trees and vines can be planted where frosts are not severe. In cold areas that receive winter rain, it is better to delay sowing potatoes until August.

Pumpkin problems

Karen has had disappointing results from her Queensland Blue pumpkin vine which produced pumpkins with very little flesh and she wants to know how to avoid problems in future.

Karen, if the seeds are soft and immature, you may have picked the pumpkins before the ‘fruit’ has fully developed, and pumpkins are fruits although we call them vegetables. However, if the seeds are mature, a common cause of this problem is hunger, and this can occur in several different ways even though you may have thought that the plant was well fertilised.

If soil is not damp, nutrients can’t be absorbed by the roots. If soil pH is too acidic or alkaline plants will go hungry because the soil pH controls which nutrients are available to plants, and pumpkins need a soil pH of 5.5-7 for good growth. Pumpkins vines can produce an enormous amount of foliage – and it is a huge task for the roots at the base of the vine to provide moisture and nutrients through the whole plant. When pumpkin vines are allowed to wander over soft earth, they will usually put down extra roots along the vines to assist with water and nutrient absorption.

You can encourage the formation of extra roots, see Assisting root growth.

Pumpkin flowers are pollinated by bees and occasionally a flower or flowers can be pollinated by pollen from a cattle pumpkin, which usually results in fruits that are tough and pretty tasteless. (If your neighbours are growing cattle pumpkins, you may have to hand-pollinate pumpkin flowers).

I’d advise you not to save any seeds from pumpkins that have little flesh or tough flesh as any vines grown from these seeds will probably produce poor quality crops. Only use seed from your best home produce or purchase seeds from a reputable supplier.

Pumpkins thrive on compost, so make compost through the winter ready for next season’s vines. Turning the heap a couple of times a week will keep you warm, keep the heap aerated, and speed up the composting process. If you live in a cool climate, put some black plastic over the top of the heap to help absorb heat. Use the compost to get your pumpkin vine off to a flying start in a different spot in your garden when soil warms in spring.

What to grow in June 2012

Check the soil pH around the cabbage family pf plants. The pH should be close to neutral (7). When soil is too acid or alkaline, this group of plants is more likely to attract cabbage white butterfly.
Remember that peas and broad beans should be sown at a time that will avoid frost damaging the flowers rather than following set sowing times for temperate and cool areas. See: Broad beans and peas)
Sowing times are more flexible when sowing peas or broad beans as a green manure because these crops are cut down as soon as the plants start to flower.
The following gardening advice is an abbreviated list for vegetables, fruit trees and some culinary herbs that can be planted in June in Australia and New Zealand. A comprehensive monthly guide that includes planting times for the entire garden, as well as when to fertilise, prune, weed, take cuttings or divide plants plus individual cultivation notes can be found in my book Easy Organic Gardening and Moon Planting (Scribe Publications, 2006, 2009 2012) – now also available as an e-book.

WARM CLIMATE – South of Rockhampton
Before the Full Moon, cabbage, and grains can be sown directly into beds, as well as a green manure crop of barley, chickpea, red clover, broad bean (faba bean), field pea, or triticale. Lettuce, radicchio, English spinach and spring onions can be sown or planted out.
During First Quarter phase, dwarf peas can be sown directly into beds.
During Full Moon phase, radish and turnip can be sown directly into beds, as well as potatoes north of Brisbane. Asparagus and rhubarb crowns, fig, kiwi fruit, pecan and pistachio can be planted.

WARM CLIMATE – Rockhampton northwards
Before the Full Moon, cabbage, open Chinese cabbage, grains, lettuce, mizuna, rocket, silver beet, tatsoi, chamomile and coriander can be sown directly into beds, as well as a green manure crop of barley, corn, lablab, or triticale.
During First Quarter phase, bush and climbing beans, popcorn and sweet corn can be sown directly into beds, and pumpkin, spring onion, summer squash, tomato, watermelon and zucchini can be sown or planted out.
During Full Moon phase, beetroot, radish, turnip can be sown directly into beds, and fig and pistachio can be planted.

TEMPERATE CLIMATE
Before the Full Moon, English spinach can be sown directly into beds, as well as a green manure crop of broad bean (faba bean) or field pea. In frost-free areas, lettuce and spring onions can also be sown or planted out.
During First Quarter phase, broad beans and peas can be sown directly into beds.
During Full Moon phase, garlic and radish can be sown directly into beds, and mid season onion seedlings, asparagus and rhubarb crowns, kiwifruit and pistachio can be planted. In frost-free areas, fig can be planted.

COOL CLIMATE
Planting is extremely limited in cool climates during both June and July. Before the Full Moon, English spinach can be sown directly into beds, as well as a green manure crop of broad bean (faba bean) or field pea. Broad beans and peas grown as a vegetable can be sown during First Quarter phase (see link above to the post on when to sow Broad beans and peas for your local climate).
During Full Moon phase, mid and late season onions can be sown, and asparagus and rhubarb crowns can be planted, also deciduous fruit trees and vines where frosts are not severe. In very cold areas, leave planting of deciduous trees and vines until late winter.

Growing potatoes update

A reader has asked if potatoes can be grown in the plastic tubs that are sold by Bunnings, Big W, etc., and I will answer it here as the links may be helpful to other readers.
Yes, Rebecca, they would be suitable if you add plenty of drainage holes and put several centimetres of gravel in the base of the tubs so that the potting mix does not block the drainage holes.
Opaque tubs provide similar conditions to small or medium drums (in that the young plants will be more shaded) and you should use those instructions for the tubs in this post. Basically the seed potatoes need at least 15-20 cm of potting mix underneath them and 15 cm of mix above them. Seed potatoes should be sown/planted 30 cm apart and, if they are the tubs I’m thinking of, you would probably only get one plant per tub as there is not really enough room for tubers of 2 plants to form.
The how and why of ‘hilling-up’ potato plants can be found in this post: Growing potatoes.

Advice on suitable soil conditions for the best results from potatoes can be found in Potato beds.
Also see: Other ways to grow potatoes.

Spinach

English spinach is an annual that loves cold weather. It is a fast growing, small plant that forms a rosette of green leaves and stems with a flavour more delicate than that of silverbeet.
It is a versatile vegetable that can be steamed or used in pies, quiches and soups, and is rich in folate, vitamins A, B6, C and E, as well as magnesium, iron and fibre.
In well-drained soil containing plenty of compost and a scattering of organic complete fertiliser, spinach plants are ready to harvest in 8 weeks. Sow seeds in pairs, 1 cm deep and 25 cm apart, directly where they are to grow, and seedlings should appear in 7 days. About a dozen plants are enough for the average family. Keep seedlings well-watered and give them a drink of half strength manure tea or organic liquid fertiliser about a fortnight apart until plants are well established.
When seedlings are about 5 cm tall, remove the weakest seedling of each pair, and use the well-washed thinnings in salads or soups. Where winters are long, progressive sowings can be made each month through winter. Don’t worry about sowing too many plants as English spinach freezes well. Blanch the washed leaves, pack them into ice cube trays with a little water, and freeze. Then transfer frozen cubes into a ziplock plastic bag for storage in the freezer.

This spinach is ‘Galilee’, a variant developed in the Middle East that is a lighter green and more tolerant of warmer winter temperatures – seeds available from Green Harvest.

What to grow in May 2012

The following gardening advice is an abbreviated list for vegetables, fruit trees and some culinary herbs that can be planted in May in Australia and New Zealand. A comprehensive monthly guide that includes planting times for the entire garden, as well as when to fertilise, prune, weed, take cuttings or divide plants plus individual cultivation notes can be found in my book Easy Organic Gardening and Moon Planting (Scribe Publications, 2006, 2009 2012) – now also available as an e-book.

WARM CLIMATE – South of Rockhampton
Before the Full Moon, bulb fennel, open-headed Chinese cabbage, grain crops, lettuce, mizuna, radicchio, rocket, silver beet (pre-soak seed), spinach, tatsoi, chamomile and coriander can be sown directly into beds, also a green manure crop of barley, cereal rye, chick pea, white clover, faba bean, field pea, cereal rye, Japanese millet, oats, triticale, or wheat. Leek and spring onions can be sown or planted out.
During First Quarter phase, broad beans, and peas can be sown directly into beds.
During Full Moon phase, radish, turnip and garlic can be sown directly into beds, also potato north of Brisbane. Early season onion and watercress can be sown or planted out. Olive trees can be planted.

WARM CLIMATE – Rockhampton northwards
Before the Full Moon, bulb fennel, open-headed Chinese cabbage, grain crops, lettuce, mizuna, radicchio, rocket, silver beet (pre-soak seed), spinach, tatsoi and coriander can be sown directly into beds, also a green manure crop of barley, cereal rye, lablab, oats, or triticale. Fast-maturing celery, headed Chinese cabbage, leek, silver beet, spring onions, parsley, and chamomile can be sown or planted out.
During First Quarter phase, bush and climbing beans and peas and sweet corn can be sown directly into beds, and pumpkin, rock melon, summer squash, tomato, watermelon and zucchini can be sown or planted out.
During Full Moon phase, beetroot (presoak seed), carrot, radish and swede can be sown directly into beds, and evergreen trees, shrubs, and vines can be planted.

TEMPERATE CLIMATE
Before the Full Moon, open headed Chinese cabbage, lettuce, mizuna, spinach and tatsoi can be sown directly into beds, also a green manure crop of faba (broad) bean, field pea, barley or oats. (Cereal rye can be sown in frost-free areas.) In frost-free areas, grain crops, lettuce, radicchio and spring onions can also be sown or planted out.
During First Quarter phase, fast-maturing broccoli, broad beans, peas and chamomile can be sown directly into beds in frost-free areas. In frost areas, delay sowing broad beans and peas until June. Although the plants are frost-hardy, the flowers are not.
During Full Moon phase, radish, turnip, and garlic can be sown direct, and early season onion can be sown or planted out. In frost-free areas, strawberries can be planted out.

COOL CLIMATE
Before the Full Moon, suitable lettuce and spinach can be sown directly into beds, also a green manure crop of faba (broad) bean or field pea, oats, or triticale. Spring onions can be planted out.
First Quarter phase: broad beans and peas can be sown directly into beds in late May. Avoid sowing broad beans and peas too early in frost areas. Although the plants are frost-hardy, the flowers are not.
During Full Moon phase, radish can be sown directly into beds, and early and mid season onion can be sown or planted out. Garlic can be sown in warmer areas, and raspberry and currants can be planted from mid May.

Using wood ash

If you tend to accumulate wood ash from log fires over the colder months, you might be tempted to use it instead of lime to raise soil pH, as it contains between 45–50% calcium carbonate. It will certainly do that – but it should only be used on soils with a pH lower than 5.5 because the calcium in wood ash is in a highly soluble form that can change pH very quickly, and it is very easy to over-do the application. Ash from hardwoods contain one third more nutrients than ash from softwoods (e.g. pine).
Apply wood ash only to beds that are not going to be used for a while, using one handful per square metre. Test soil pH after 2 weeks to see if soil is in a more suitable pH range for plant growth. Wood ash should never be used near plants that prefer acid soils.
A safer way to use wood ash is to keep it in a covered container near your compost heap and dust it, instead of garden lime, between layers of other materials that you add to the compost heap. This will help to keep the compost heap sweet-smelling and ensure good microorganism activity. Mature compost holds nutrients in balance and compost containing wood ash can safely be applied to garden beds.
Wood ash can also be dusted over lawns that have become ‘sour’, especially where moss is growing. While the calcium improves the soil pH, the 2–8% potassium (potash) in wood ash will improve the lawn’s tolerance to heat and cold as well as improving disease resistant. However, if applying wood ash to lawns, avoid using seaweed fertiliser for the current season as seaweed also contains a considerable amount of potassium. Too much potassium can cause a magnesium deficiency.

What to grow in April 2012

April can be a busy time in the garden. There’s lots to do in both the vege patch and more decorative parts of the garden. The following gardening advice is an abbreviated list for vegetables, fruit trees and some culinary herbs that can be planted in April in Australia and New Zealand. A comprehensive monthly guide that includes planting times for the entire garden, as well as when to fertilise, prune, weed, take cuttings or divide plants, can be found in my book Easy Organic Gardening and Moon Planting (Scribe Publications, 2006, 2009 2012).

WARM CLIMATE – South of Rockhampton
Before the Full Moon, cabbage, headed and open Chinese cabbage, grain crops, lettuce, mizuna, radicchio, rocket, silver beet (pre-soak seed), spinach, tatsoi, coriander, and nasturtium can be sown directly into beds, also a green manure crop of, chick pea, white clover faba bean, field pea, cereal rye, Japanese millet, oats, triticale, or wheat. Celery, leek, spring onions, parsley, bulb fennel and chamomile can be sown or planted out.
During First Quarter phase, broad beans, fast maturing broccoli, peas and nasturtium can be sown directly into beds.
During Full Moon phase, carrot, garlic, radish, swede and turnip can be sown directly into beds, and early-season onion, mint, rosemary, thyme and watercress can be sown or planted out. Globe artichoke suckers, lemon grass, strawberries, pineapple, and evergreen trees, shrubs, and vines can be planted.

WARM CLIMATE Rockhampton northwards
Before the Full Moon, cabbage, headed and open Chinese cabbage, grain crops, lettuce, mizuna, radicchio, rocket, silver beet (pre-soak seed), spinach, tatsoi, coriander, and nasturtium can be sown directly into beds, also a green manure crop of cereal rye, lablab, Japanese millet, oats, or triticale. Celery, leek, spring onions and parsley can be sown or planted out.
During First Quarter phase, bush and climbing beans, fast maturing broccoli, peas, and nasturtium can be sown directly into beds, and cucumber, pumpkin, rock melon, summer squash, tomato, watermelon and zucchini can be sown or planted out.
During Full Moon phase, beetroot (presoak seed), carrot, parsnip, potato, radish and swede can be sown directly into beds, and lemon grass, strawberries, pineapple, dandelion and oregano can be sown or planted out. Evergreen trees, shrubs, and vines can be planted.

TEMPERATE CLIMATE
Before the Full Moon, bulb fennel, cabbage, headed and open Chinese cabbage, grain crops, lettuce, mizuna, radicchio, rocket, spinach, tatsoi and coriander can be sown directly into beds, also a green manure crop of faba (broad) bean, field pea, barley, cereal rye, oats, triticale, or wheat. Chickpea can be sown in frost-free areas. Leek, spring onions, chamomile and parsley can be sown or planted out, also silver beet (pre-soak seed) in frost-free areas.
During First Quarter phase, broccoli can be sown directly into beds, also broad beans and peas in frost-free areas.
During Full Moon phase, radish, swede turnip, turnip, and garlic can be sown directly into beds, and early season onion can be sown or planted out. Globe artichoke suckers, strawberries and lemon grass can be planted, also evergreen trees, shrubs, and vines during first half of April.

COOL CLIMATE
Before the Full Moon, grain crops, lettuce, spinach can be sown directly into beds, also a green manure crop of faba (broad) bean, field pea, oats, or triticale. Leek can be planted out.
Avoid sowing broad beans and peas too early in frost areas. Although the plants are frost-hardy, the flowers are not.
During Full Moon phase, radish and turnip can be sown directly into beds, and early season onion can be sown or planted out. Swede and garlic can be sown in warmer areas, and raspberry and currants can be planted in cold areas.

Planting spring bulbs

The autumn equinox (when day and night are of equal length) occurred on Tuesday, March 20th, this year. Days are becoming shorter than nights now, and it is time to prepare soil for planting spring-flowering bulbs. These plants thrive in a compost-rich soil with some complete organic complete fertiliser added. Gardeners in Cool climates and New Zealand can plant bulbs now. However, as these bulbs grow better after a period of chilling, gardeners in warmer areas can put bulbs into the vegetable crisper of the fridge for about a month before planting.
Bulbs are normally planted at a depth twice the width of the bulb. In Warm climates, plant suitable bulbs up to twice as deep as indicated on the packet. After planting, mulch the area in early morning when the soil is cooler and keep the planted area just damp until growth appears. For moon planters, Full Moon phase is the best time to plant bulbs.

What to grow in March 2012

Summer weather has been extreme in many parts of Australia, and very wet weather is continuing in most areas while our most western state has had a series of heat waves. Not good gardening weather at all. If conditions are unsuitable for growing crops in your area at the moment, (or where you may have a garden bed that you are not using for a couple of months) consider growing a green manure crop, or two.
Triticale is good for reclaiming waterlogged soils, and wheat can handle heavy soils and semi-arid conditions. Oats grow quickly and add lots of organic matter to soil.
Green manure crops add humus to your soil for future crops. All parts of the garden can benefit from a green manure crop, as humus in soil insulates plant roots from soil temperature fluctuations, and improves both moisture content and drainage of soils. Humus in soils allows plants to be more resistant to adverse climate conditions.
The following planting guide is an abbreviated list for vegetables, fruit trees and some culinary herbs that can be planted in March in Australia and New Zealand. A comprehensive guide that includes planting times for the entire garden, as well as when to fertilise, prune, weed, take cuttings or divide plants, can be found in my book Easy Organic Gardening and Moon Planting.

WARM CLIMATE South of Rockhampton
Before the Full Moon, bulb fennel, cabbage, headed and open Chinese cabbage, grain crops, lettuce, mizuna, radicchio, rocket, silver beet (pre-soak seed), tatsoi, chamomile, coriander, nasturtium and sunflower can be sown directly into beds, as well as a green manure crop of strawberry or white clover, Japanese millet, oats, field pea or triticale. Celery, leek, spring onion, sweet basil and parsley can be sown or transplanted.
During First Quarter phase, broccoli, bush and climbing beans and peas can be sown directly into beds, and tomato and zucchini and can be sown or transplanted.
During Full Moon phase, beetroot (pre-soak seed), carrot, parsnip, and radish can be sown directly into beds, and cauliflower, early season onion, swede turnip, turnip, lemon balm, lemon grass, marjoram, oregano, rosemary, thyme and watercress can be sown or transplanted. Globe artichoke suckers, strawberries, avocado, citrus, olive and pineapple can be planted.

WARM CLIMATE Rockhampton northwards
Before the Full Moon, nasturtium and sunflower can be sown directly into beds, as well as a green manure crop of Japanese millet, lablab, oats or triticale. Cabbage, leek, silver beet (pre-soak seed), spring onion and chamomile can be sown or transplanted.
During First Quarter phase, broccoli, and bush and climbing beans can be sown directly into beds, and capsicum, cucumber, egg plant, pumpkin, rock melon, summer squash, sweet corn, tomato, watermelon and zucchini can be sown or transplanted.
During Full Moon phase, beetroot (pre-soak seed), carrot, parsnip and radish can be sown directly into beds, and lemon grass and oregano can be sown or transplanted. Citrus, pineapple and strawberries can be planted.

TEMPERATE CLIMATE
Before the Full Moon, bulb fennel, cabbage, headed and open Chinese cabbage, grain crops, lettuce, mizuna, radicchio, rocket, silver beet (pre-soak seed), tatsoi and coriander can be sown directly into beds, as well as a green manure crop of red or strawberry clover, faba bean, field pea, barley, cereal rye, oats, triticale or wheat. Leek, silver beet (pre-soak seed), spring onion, chamomile and parsley can be sown or transplanted. In warmer areas, celery and chickpea can also be sown. In colder areas, also sow English spinach and sow Brussels sprouts directly into beds.
During First Quarter phase, cauliflower can be sown directly into beds, and broccoli can be sown or transplanted. In warmer areas, peas can also be sown directly into beds.
During Full Moon phase, beetroot (pre-soak seed), carrot, radish, swede turnip and turnip can be sown directly into beds, and early season onion, globe artichoke, lemon balm, marjoram, rosemary, thyme and watercress can be sown or transplanted. Globe artichoke suckers, strawberries, avocado, citrus and olive can be planted. In warmer areas, parsnip, mango, and pineapple and oregano can also be sown or planted.

COOL CLIMATE
Before the Full Moon, headed and open Chinese cabbage, grain crops, lettuce, mizuna, English spinach and tatsoi can be sown directly into beds, as well as a green manure crop of clover, faba bean, field pea, cereal rye, oats, triticale or wheat. Leek and spring onion can be sown or transplanted. In warmer areas, cabbage, radicchio, coriander and rocket can also be sown.
During First Quarter phase, suitable broccoli can be sown or transplanted in warmer areas.
During Full Moon phase, radish, swede turnip, turnip and garlic can be sown directly into beds, and strawberries, mint and watercress planted.