Can you cut ceanothus back hard?
Deciduous ceanothus can be pruned back harder but will take a while to recover. Prune later-flowering varieties in spring, cutting last year’s woody growth back by around one third.
Which is the hardiest ceanothus?
Ceanothus ‘Pershore Zanzibar’ One of the hardier variegated Ceanothus cultivars, the exotic sounding Zanzibar sports lime green leaves with dark green splashes.
How big do Ceanothus grow?
A Ceanothus bush is likely to be between one and six feet tall. Some Ceanothus varieties, however, are prostrate or mounding, but a few grow into small trees, up to 20 feet tall.
Can I prune ceanothus in summer?
Routine pruning is not essential but, if grown as a bush, you can pinch-prune the soft tips of young plants in spring and shorten long branches by half in midsummer once they have finished flowering. Late summer flowering shrubs: trim the previous season’s growth by one-third in spring.
How do you take cuttings from ceanothus?
To get a heel cutting, hold the side shoot near the base and gently pull it down and away from the main stem. It should take a sliver of the main stem with it, the heel. Heel cuttings are good because the area where the side shoot joins the main stem has a preponderance of cells that can morph into root cells.
Which ceanothus has the deepest blue flowers?
California Lilac ‘Dark Star’ Incredibly showy, award-winner Ceanothus ‘Dark Star’ (California Lilac) is a spreading, evergreen shrub noted for its abundant clusters of fragrant, dark royal blue flowers in late spring and early summer.
Which is the darkest blue ceanothus?
Ceanothus x deslilianus ‘Topaz’ Possibly the darkest blue flowering cultivar that blooms in the summer.
What is the bluest ceanothus?
Incredibly showy, award-winner Ceanothus ‘Dark Star’ (California Lilac) is a spreading, evergreen shrub noted for its abundant clusters of fragrant, dark royal blue flowers in late spring and early summer. The flowers are so profuse that they literally cover the bush, creating a breathtaking floral display.
Why does my Ceanothus have brown spots on leaves?
Ceanothus plants are pretty hardy plants but may be susceptible to leaf spots caused by the fungi Blumeriella, Septoria, and Cercospora. This condition causes brown spots on the leaves and may result in leaf drop. (2) Planning for adequate plant spacing and keeping the foliage dry are suggested if leaf spot is a problem on your plants.
Is Ceanothus a shrub or tree?
Ceanothus bear masses of gorgeous blue flowers in May and June, on otherwise fairly humble shrubs. Also known as California lilacs, which tells us their country of origin, ceanothus shrubs come in a range of sizes to suit most gardens.
How big does a Ceanothus Victoria get?
Ceanothus ‘Victoria’ was first discovered growing in Victoria, BC. It is a beautiful shrub that can reach 8 feet high and 8 feet wide, and is covered with repeat dark blue blooms of flower all summer long after its initial late spring flush.
What is the best ceanothus for a border?
Ceanothus ‘Concha’ – an evergreen cultivar with arching branches and a dense growth habit, flowering in April and May. The Royal Horticultural Society has given it the prestigious Award of Garden Merit (AGM). Ceanothus ‘Cynthia Postan’ – hardy and evergreen, this is perfect for growing in a mixed border.