How do you grow Cobaea Scandens purple from seed?
Germination Instructions Sow indoors prior to last frost. Sow directly after last frost. Prior to sowing soak the seed for 2 hours in water. Drain then surface sow seeds on their edge onto moist, well-drained seed compost, just cover with sprinkling of soil.
How do you plant cup and saucer seeds?
Starting cup and saucer vine seeds is not difficult, but it’s best to scratch them a bit with a nail file or soak them overnight in water before you plant to encourage germination. Sow the seeds on their edge in seed trays filled with soil-based seed compost.
Do you soak Cobaea seeds?
Cobaea will normally flower 20 weeks from sowing and if grown in a greenhouse will flower for 8 months of the year. Soak the seed in luke warm water for two hours then sow into individual 3 inch pots filled with good quality, moist seed compost.
How do you grow Cobaea?
Grow Cobaea scandens in moist but well-drained soil in full sun. Deadhead spent blooms to prolong flowering.
When can I plant out Cobaea Scandens?
Plant early Right now is the perfect time to start growing your Cobaea plants – you will get flowers next Christmas, provided there aren’t hard frosts. Arthur explains that the ‘flat, disc-shaped seeds’ are ‘like a courgette, really’, and must be planted vertically in the compost to avoid the seed rotting the soil.
Is Cobaea Scandens invasive?
scandens can become invasive in some regions (and by the way is not welcome in New Zealand). In that habit, it resembles another purple climbing vine, morning glory.
Is Cobaea Scandens Hardy?
Cobaea will behave as a perennial if kept indoors over winter at about 7°C (45°F). Outdoor plants may survive a very mild winter, in a very sheltered position with some protection, but Cobea grows quickly enough to be considered an annual if conditions don’t favour it surviving the winter.
When can I plant Cobaea outside?
Sow under cover January-March. Plant out after last frost. Grow Cobaea against a sturdy trellis, south-facing wall or fence with supports attached. Cobaea does best in moist but well-drained soil, so water regularly in dry spells.