Sonchus canariensis (Tree Sonchus) – A tall upright growing shrub to 6-8' tall with unusual 12 to 18 inch long deeply cleft pinnate leaves (technically called pinnatisect) clustered near the branch tips and stout stems bearing large clusters of lemon-yellow dandelion-like flowers that rise above the foliage from spring.
You may need to drip a few drops of water on the seeds each day. Keep the pots between 65-77 degrees F (18-25°C) during the day (a little cooler at night is ok).
Most potting soils contain fertilizer, and if yours does, your seedlings should need no fertilizer the first 3 weeks. If you used an medium without nutrients, like coir fiber, feed when the seedlings have their first true leaves with a very dilute (1/8th strength) fertilizer, and repeat weekly.
It prefers full sun during the growing season. It likes well-draining soil and regular watering when young. Mature plants are quite drought tolerant if given ample root space. Over about 40% humidity is recommended.
Then took out any woody or dying bits and pruned many of the healthy looking stems. This will allow the air to circulate around the plants and should prevent rot or die-back over the winter.
Hardy to around 25-28° F - our plants had only tip damage in the January 2007 cold spell when we had 3 nights in a row that went down to 25° F. This dramatic and unusual plant has very attractive dissected foliage and can be stunning in bloom.
Sonchus canariensis plant, the tree dandelion. Plants in 2 liters pot, 20-30cm tall without pot. you receive a plant similar to the pictured ones.
Sonchus canariensis (Tree Sonchus) – A tall upright growing shrub to 6-8' tall with unusual 12 to 18 inch long deeply cleft pinnate leaves (technically called pinnatisect) clustered near the branch tips and stout stems bearing large clusters of lemon-yellow dandelion-like flowers that rise above the foliage from spring ...