Choose your seed carefully, think is the seed is open pollinated, heirloom or hybridised? There is more information on the ‘types of seed’ page.
What to plant when?
Southern harvest Cool climate PDF
Southern harvest what to plant now online guide
Peter Cundall All year round planting
Diggers what to plant
Gardenate
Seed Companies
Tasmania
– Rangeview Seeds
– Southern Harvest
– Inspirational vegetable seed
– Wild Seed Tasmania
Australia
Please see DPIPWE’s great fact sheet on importing seeds
Quarantine between States in Australia
– Phoenix Seed
– The Diggers Club
– Eden Seeds
– The Lost Seed Company
– Green Harvest
International
Please see DPIPWE’s great fact sheet on importing seeds
http://www.dpiw.tas.gov.au/inter.nsf/Attachments/LBUN-86G9ZD/$FILE/seeds.pd
Rancho Gordo
Baker Creek Heirloom Seed
Types of seed
Open-pollination is when pollination occurs by insect, bird, wind, humans, or other natural mechanisms. Because there are no restrictions on the flow of pollen between individuals, open-pollinated plants are more genetically diverse. This can cause a greater amount of variation within plant populations, which allows plants to slowly adapt to local growing conditions and climate year-to-year. As long as pollen is not shared between different varieties within the same species, then the seed produced will remain true-to-type year after year.
An heirloom variety is a plant variety that has a history of being passed down within a family or community, similar to the generational sharing of heirloom jewelry or furniture. An heirloom variety must be open-pollinated, but not all open-pollinated plants are heirlooms. While some companies create heirloom labels based on dates (such as a variety that is more than 50 years old), Seed Savers Exchange identifies heirlooms by verifying and documenting the generational history of preserving and passing on the seed.
Hybridization is a controlled method of pollination in which the pollen of two different species or varieties is crossed by human intervention. Hybridization can occur naturally through random crosses, but commercially available hybridized seed, often labeled as F1, is deliberately created to breed a desired trait. The first generation of a hybridized plant cross also tends to grow better and produce higher yields than the parent varieties due to a phenomenon called ‘hybrid vigor’. However, any seed produced by F1 plants is genetically unstable and cannot be saved for use in following years. Not only will the plants not be true-to-type, but they will be considerably less vigorous. Gardeners who use hybrid plant varieties must purchase new seed every year. Hybrid seeds can be stabilized, becoming open-pollinated varieties, by growing, selecting, and saving the seed over many years.
Source: http://blog.seedsavers.org/blog/open-pollinated-heirloom-and-hybrid-seeds
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