Most salvias grow readily from seed, but germination of some species can be improved by several techniques. Temperature, moisture and light are the three fundamental factors. All seeds have a temperature range for optimal germination. For salvias, as for most garden seeds, daytime temperatures in the low 20s (C) are good. Just avoiding hot and cold weather is generally enough. Beyond that, two primary aspects of salvia seed germination are constant moisture, and light. If you’ve soaked chia (Salvia hispanica) seeds you’ll be familiar with the mucilage they secrete. This is…
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