Sowing seeds

Most of the plants that are grown from seeds are annuals (plants that grow from seed to flower in one growing season) or biennials (plants that do so over two growing seasons). Another group is plants that are frost-tender, but that are perennials in their native countries where the climate may be warmer. This group is grown as annuals in colder climates and can be propagated by sowing seeds or by taking cuttings.
When raising plants from seeds, it is important to realize that the seed itself is a tiny powerhouse containing all the genetic material for the plant. This has evolved over centuries, to result in the most successful method ol reproduction. For germination to take place, most plants have very specific needs that are, in effect, a replica of their natural habitat. Seeds from plants from temperate regions, for example, will germinate at temperatures of 59—70°F, but those from tropical regions will need higher temperatures and therefore will probably require artificial heat.
For successful germination, you need to provide the seeds with a controlled environment, such as a greenhouse. Novice propagators usually fail because they are not consistent in caring for their seeds. Regular watering, well aerated and free-draining compost, stable temperatures and adequate light are all essential.

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