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Whatever you order - the maximum total postage and handling is only $9.95 but up to 100 small seed packets is only $5.95
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Buckwheat   Cowpea   Green Manure Kits   Japanese Millet   Lablab   Millet   Mung Bean   Soybean  
Warm Season Green Manures
As a general guide sow in spring after all danger of frost has passed, usually mid-September; sow summer whenever good rainfall is expected; in tropical areas seeds can be sown right through the year whenever moisture is available. More specific sowing times are listed as part of the seed description.

Our standard postage is $9.95 for all orders which includes Bulk Seed Packs. The $5.95 postage fee for up to 100 standard packets of seed, only includes the smaller 10m packets not the 1000m or 4500m seed packs or kits.

Due to high postage fees there is a higher cost for bulk seed in some Australian States.

You can read an introduction to Green Manure here.

Are you looking for books on Green Manure?

Buckwheat
Fagopyrum esculentum
Buckwheat is an ancient food plant that has been in use for over 9,000 years; it gives a whole new meaning to the word 'heirloom'. It is an annual warm season crop to 50 cm high. It has some drought tolerance and is frost tender. It germinates in 3 - 4 days, with a soil temperature of 20C. Sow it 2.5 - 3.5 cm deep. The soil should be moist before sowing but do not over-water, buckwheat doesn't tolerate being waterlogged at any stage of growth. It will grow in a wide range of soils, including infertile ones, with a preferred pH range of 6 - 7.

It has a wide range of uses including:
  • It makes a useful, fast growing, warm season, green manure that accumulates phosphorus and builds organic matter quickly. Use it as a fill-in between other crops.
  • The young sprouts can be harvested for salad.
  • The high protein leaves can be used like spinach.
  • The seeds are ground for a high-protein, gluten-free flour.
  • The white flowers attract beneficial insects including hoverflies, lacewings and bees.
Growing as a grain crop:
A buckwheat grain crop requires a temperature during the growing season of between 13C - 26C. It takes 8 - 12 weeks from sowing to finished grain. Suitable areas are the cool highlands during summer and autumn to winter in southern Qld.
Growing as a green manure:
Flowering begins 4 weeks from sowing; dig the green manure whilst still flowering. If allowed to set seed it will often self-sow readily. Buckwheat used as a green manure has much wider sowing times than grain crops. In temperate areas sow September - February. In subtropical areas sow any time avoiding frost periods. In tropical areas other green manures are a better choice.

SB137 Organically certified
SB138 Weight 3kg Organically certified Not to TAS

Are you looking for Buckwheat seed for sprouting?
Unsure how to use inoculant or its purpose? Find information about inoculant here.
Cowpea
Vigna unguiculata
Adds nitrogen, builds organic matter, smothers weeds and controls nematodes; combine with Japanese millet; use as a living mulch under corn; good animal forage; some drought tolerance. Sow in temperate areas November - February; in subtropical areas September - March and in tropical areas during the wet season.

SC155 Inoculant included
SC156 Weight 2.5kg Inoculant included Not to TAS
Warm Season Untreated Green Manure Kits
All kits include inoculant and a FREE fact sheet on Green Manuring. As a general guide sow in spring after all danger of frost has passed, usually mid-September; sow summer whenever good rainfall is expected; in tropical areas seeds can be sown right through the year whenever moisture is available.

SK100 contains Cowpea and Japanese millet
SK125 contains Cowpea (Weight 1.25kg) and Japanese millet (Weight 1kg) Not to TAS
SK127 contains Cowpea (Weight 3kg), Buckwheat (Weight 3kg) and Japanese millet (Weight 3kg) Not to WA, NT or TAS
SK128 contains Cowpea (Weight 3kg), Buckwheat (Weight 3kg) and Japanese millet (Weight 3kg) Not to TAS
Warm Season Organic Green Manure Kits Organically certified
All kits include inoculant and a FREE fact sheet on Green Manuring. As a general guide sow in spring after all danger of frost has passed, usually mid-September; sow summer whenever good rainfall is expected; in tropical areas seeds can be sown right through the year whenever moisture is available.

SK120 contains Mung Bean and French White millet
SK101 contains Mung Bean (Weight 1.25kg) and French White millet (Weight 1kg) Not to TAS
SK103 contains Mung Bean (Weight 3kg), Buckwheat (Weight 3kg)and French White millet (Weight 3kg) Not to WA, NT or TAS
SK104 contains Mung Bean (Weight 3kg), Buckwheat (Weight 3kg) and French White millet (Weight 3kg) Not to TAS
Japanese Millet
Echinochloa utilis
Fast growing clumping grass, good used with legumes as a green manure, adds bulk organic material. Sow in temperate areas September - February; in subtropical areas September - March and in tropical areas during the wet season.

SJ102
SJ103 Weight 2kg Not to TAS
Lablab
Lablab purpureus
Adds nitrogen, likes it hot, very vigorous vine; suits a wide range of soils and wet weather; useful animal forage, some drought tolerance. Sow in subtropical areas October - February and in tropical areas all year.

SL115 Inoculant included
Millet 'French White'
Panicum miliaceum
Fast growing clumping grass to 1m; edible seed, not suitable for grazing; excellent used with legumes as a green manure, builds soil structure and adds bulk organic material. Sow in temperate areas October - February; in subtropical areas September - April and tropical areas all year.

SM108 Organically certified
SM109 Weight 2kg Organically certified Not to TAS
Mung Bean H
Vigna radiata
Quick growing and hardy, adds nitrogen, builds organic matter; combine with buckwheat or Japanese millet; produces edible seeds. Sow in temperate areas November - February; in subtropical areas September - March and tropical areas during the wet season.

SM130 Inoculant included Organically certified
SM131 Weight 2.5kg Inoculant included Organically certified Not to TAS
SM167 Weight 10kg Inoculant included Organically certified Not to TAS
SM110 Inoculant included Untreated
SM111 Weight 2.5kg Inoculant included Untreated Not to TAS

Are you looking for Organic Mung Bean seed for sprouting?
Soybean Organically certified
Not to WA
Glycine max
Good for hot, humid areas, adds nitrogen, builds organic matter, controls weed and nematodes; animal forage; edible seeds. Temperate (sow summer), Subtropical and Tropical (sow November - February).

SS146 Inoculant included Not to WA
SS147 Weight 5kg Inoculant included Not to WA or TAS

Are you looking for Organic Edamame seed for planting?
Seed to WA: A $4.00 Quarantine Fee will be charged for all seed orders to WA. Green Harvest is sharing the cost of the new quarantine fee with all our WA customers. Read more...
All organic seeds are clearly marked Organically certified. All Green Harvest seed is untreated (UT), whether organically certified or not; no chemical treatments are ever used. If both an untreated and organically certified seed of the same type is available, each product is labelled individually. More information about our seeds.
Watch for this symbol: - blossoms and petals from these plants can add extra colour, flavour and nutrition to meals.
A free Successful Seed Raising Guide is included with your first seed order from Green Harvest.
Asian and Tropical Vegetables For Hot Wet Summers
If you are challenged by pest and disease problems in your vegetable garden during hot, humid summers, dont give up! Green Harvest offers a range of vegetables, grown around the world in subtropical and tropical areas, that we have found to be hardy and reliable to the weather extremes of high temperature and humidity experienced in the wet season. As a general rule sow these vegetables from October through to March, to replace more temperate varieties. Seeds suitable for subtropical and tropical conditions are marked H for hot and humid!

Part of the problem is gardening books written by authors from cooler areas neglecting to give good advice on plant selection for northern areas of Australia. We recommend the books The Seed Savers Handbook or Organic Vegetable Gardening for the best information on subtropical vegetables.

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We guarantee our seeds to the value of the purchase price. We are happy to replace the seeds, give you a credit or refund, whichever you prefer. Other than our guarantee to the extent of the purchase price Green Harvest gives no other warranty expressed or implied. No liability will be accepted by Green Harvest, its owners or employees as to the accuracy of any information. No responsibility will be taken for damage to property or persons due to information given about a product or technique. No responsibility will be taken for the loss of a crop or income due to information given about a product or technique.
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