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.
Can you overwinter Cobaea?
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.
Is Cobaea Scandens scented?
Once fully open, they are sweetly fragrant. The Royal Horticultural Society has given it its prestigious Award of Garden Merit (AGM). Grow Cobaea scandens in moist but well-drained soil in full sun.
How long do Cobaea seeds take to germinate?
Additional Information
| Packet Size |
20 Seeds |
| Position |
Must have full sun |
| Soil |
Well-drained/light, Chalky/alkaline |
| Time to Sow |
Sow indoors in January to March or sow in September to overwinter in a coldframe |
| Germination |
Usually takes three weeks to four weeks. |
How do you grow Cobaea? – Related Questions
Should I pinch out Cobaea?
It’s best to support the plant, which produces tendrils to cling onto the support. They like full sun and well-drained soil. You can help the vine by training it onto a trellis or support as it grows. Pinching out the tip of the vine will make it grow lateral shoots.
When can I plant out Cobaea?
Sow indoors from January to March or sow in September to overwinter in a coldframe. Cobaea will normally flower 20 weeks from sowing and if grown in a greenhouse will flower for 8 months of the year.
Can Cobaea grow in shade?
The cathedral bell likes warm and sunny locations. In partial or full shade it will have fewer leaves and flowers.
Is Cobaea scandens invasive?
C. 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 self clinging?
An exotic annual climber with large purple cup shaped flowers. The green foliage is quick growing and self clinging.
Is Cobaea an evergreen?
This fast growing, evergreen perennial climber will quickly cover a sunny wall, arch or obelisk and produce large, sweetly-scented flowers from midsummer to the first frosts.
Is Cup plant invasive?
Cup plant (Silphium perfoliatum) is an herbaceous perennial plant in the sunflower family that is native to the central plains of North America, though found to be invasive outside of its historic habitat.
How do you care for Cobaea?
The most important thing is not to overwater the seeds. ‘Don’t water the compost as long as it’s moist,’ urges Arthur. Cobaea is native to Mexico – it loves heat and doesn’t like too much water. Rotting can also be a danger once the plant is outside if the summer is exceptionally wet.
Is Cobaea scandens poisonous to dogs?
Cobaea scandens has no toxic effects reported.
Do bees like Cobaea scandens?
This plant will provide nectar and pollen for bees and the many other types of pollinating insects.
Is cup and saucer vine an annual?
Cup-and-saucer vince (Cobaea scandens) is a perennial climbing vine with purple flowers shaped like tea cups (which “sit” in more petals shaped like saucers). It likes warm weather and in climates colder than USDA growing zone 9 can be grown as an annual.
How do I get my cup and saucer vine to bloom?
Light. Cup and saucer vines need full sun to bloom well. If you live in an especially hot climate, your vines can probably tolerate a bit of afternoon shade, but you should still aim for at least six to eight hours of sunlight each day.
How fast do cup and saucer vines grow?
Cobaea scandens, commonly called cup and saucer vine, is native to Mexico and tropical South America. It is a vigorous, rapid-growing, tendril-climbing vine that typically grows to 30-40′ in its native habitat. When grown as an annual, it can grow 10-20′ in a single season.
Does cup and saucer plant need full sun?
Sowing cup-and-saucer vine
It likes very sunny spots. It also requires well drained soil that is rich enough to support flowering. Fertilize soil upon planting.
Is it OK to leave water in saucer?
How Often Should I Empty Extra Water from the Saucers? What many plant owners don’t realize is that they must remove excess water from their plant saucers for optimal houseplant health. Leaving your potted plants in standing water can deprive them of oxygen and promote root rot.
Can cup plant grow in shade?
The more sun it gets, the taller it will grow. Less sun and less water will mean fewer blooms and a shorter plant. It can tolerate partial shade and droughts.
