Should I soak Thunbergia seeds?
How To Grow Thunbergia From Seed: It is recommended to soak the Thunbergia seeds over night in tepid water. Following the soaking, sow Black-eyed Susan vine seeds outdoors after the last frost in prepared seed bed. Thunbergia seeds will take a while to germinate, up to 25 days, so be sure to mark the area where you plant them if you are sowing them directly in your garden. Seeds may germinate more quickly if you soak them in water overnight prior to planting them.
How to start thunbergia seeds?
You have two options for planting seeds: Sow them directly into the garden at a depth of 1/4 inch after the risk of frost has passed. Alternatively, start seeds indoors six to eight weeks before the average last frost date in spring. Presoak seeds overnight before planting 3 seeds per cell or plant. You can usually start direct sowing your hardy annual flower seeds from late March to May. Just wait until the soil is above the minimum temperature of 10C. If you’ve missed the spring sowing window, don’t worry. Many flower seeds can also be direct sown at the end of summer but before the first frosts.Sow poppy seeds directly into your garden in spring or autumn. If you’re planting early in the year, usually between March and May is best, but you’ll have to wait until the following summer for a healthy display. Sow between the end of August and October for more flowers in the first season.When to plant poppy seeds. Sow poppy seeds and other wildflowers in autumn or early spring. Planting poppy seeds in autumn will boost the number of blooms you get.