• Ceanothus thyrsiflorus, known as blueblossom or blue blossom ceanothus, is an evergreen shrub in the buckthorn family Rhamnaceae that is endemic to Oregon and California in the US. (wikipedia.org)
  • 2000. Diversification of the North American shrub genus Ceanothus (Rhamnaceae): conflicting phylogenies from nuclear ribosomal DNA and chloroplast DNA. (oregonstate.edu)
  • Ceanothus leucodermis, with the common names chaparral whitethorn or chaparral white thorn, is a species of shrub in the family Rhamnaceae. (myplantin.com)
  • Ceanothus ovatus is a deciduous Shrub growing to 1 m (3ft 3in). (pfaf.org)
  • In the spring, when active growth begins, you can feed your ceanothus and escallonia by broadcasting a granular fertilizer on the soil beneath each shrub. (garden.org)
  • Ceanothus thyrsiflorus is an evergreen shrub that can grow up to 4.50 metres tall. (theferns.info)
  • Ceanothus impressus 'Victoria' is a hardy, bushy, evergreen shrub with blue flowers in late spring & early summer. (cathsgardenplants.co.uk)
  • Ceanothus, native to the Southern California, is a gorgeous shrub known for its intensely blue flowers. (tendla.com)
  • Ceanothus megacarpus is an evergreen shrub that can reach 4 meters (13 feet) in height. (smmtc.org)
  • Also known as the creeping blue blossom, (or Californian Lilac), this Ceanothus certainly lives up to its name, growing into a gorgeous mounded shrub with glossy evergreen leaves and powder-blue flowers in the spring which will delight everyone who sees it. (roysplantsandflowers.com)
  • Ceanothus prostratus is a dense mat or mound-like bush or shrub that is generally less than 3m (~ 118 in). (americanbeejournal.com)
  • The International Plant Names Index and World Checklist of Vascular Plants 2023. (kew.org)
  • 2023 Opening Plans & 10 Exciting Plants! (plant-collage.com)
  • 2023 Tennessee-Kentucky Plant Atlas . (usf.edu)
  • Some ceanothuses in the mountains such as Ceanothus cuneatus or 'Snow Flurry' aren't blue at all, but white. (chanceofrain.com)
  • For landscape planting, California lilac usually grows best in full sun areas, but some species can handle partial shade. (tendla.com)
  • One reason is that Ceanothus shrubs of the same species in an area often bloom at the same time. (smmtc.org)
  • A single leaf appears on each node along the stem - other local Ceanothus species have pairs of leaves positioned on their stems. (smmtc.org)
  • Flowers look like other Ceanothus species - it can be very difficult to identify a species on the flowers alone. (smmtc.org)
  • The goals of this evaluation were to develop comparative data on hardiness of Ceanothus cultivars and species and identify cultivars that were capable of tolerating typical cold events in a Pacific Northwest winter. (oregonstate.edu)
  • The genus Ceanothus , also known as wild lilac or simply ceanothus, comprises approximately 55 species of woody shrubs native to North America (Hardig et al. (oregonstate.edu)
  • The climate in the California floristic province in which many of the species of ceanothus originated is Mediterranean, with mild, rainy winters and warm to hot, dry summers. (oregonstate.edu)
  • Little specific information on the cold hardiness of species of ceanothus cultivars is available. (oregonstate.edu)
  • Their research concluded that adult plants of each species showed greater resistance to cold than seedlings. (oregonstate.edu)
  • Species and cultivars of Ceanothus were obtained from nurseries in California and Oregon in Oct. 2000 and May 2001. (oregonstate.edu)
  • Ceanothus ferrisae NatureServe Explorer Species Reports - NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and Canada. (earth.com)
  • NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. (earth.com)
  • Our plant identifier with database of more than 17,000 species is also the best place to Ask the Botanist, get plant watering recommendations, adjust your plant care schedule, try disease identification, and much more! (myplantin.com)
  • Adult California Tortoiseshells lay their eggs only on various species of wild lilac (Ceanothus). (whatsthatbug.com)
  • The adults lay eggs exclusively on various species of wild lilac (Ceanothus) . (whatsthatbug.com)
  • Female adults specifically choose to lay their eggs on various species of wild lilac (Ceanothus) which act as the host plants for the immature butterflies 1 . (whatsthatbug.com)
  • Adults primarily lay their eggs on different species of wild lilac, also known as Ceanothus . (whatsthatbug.com)
  • Snowbrush (Ceanothus velutinus) is one such species, often found in the canyon and high-altitude environments. (whatsthatbug.com)
  • As the larvae feed on their preferred host plants, they can strip the leaves off Ceanothus species. (whatsthatbug.com)
  • On the other hand, elsewhere in his book, under just the genus name, Ceanothus , he states, "While no surplus has ever been reported from Ceanothus, the species are so many, so common, so widely distributed and furnish so much nectar and pollen that they are undoubtedly of great benefit to the apiarist. (americanbeejournal.com)
  • The term 'Californian lilac' is also applied to this and other varieties of ceanothus, though it is not closely related to Syringa, the true lilac. (wikipedia.org)
  • Commonly known as California lilac, this evergreen plant is an excellent choice for the chaparral inspired, drought tolerant landscape. (tendla.com)
  • In the first year after planting, while your California lilac is establishing itself in the landscape, they will need irrigation systems or regular hand watering. (tendla.com)
  • This exclusive relationship between the butterfly and wild lilac plants has an essential impact on their life cycle and overall survival. (whatsthatbug.com)
  • See who else is growing Ceanothus burkwoodii (California lilac) . (growsonyou.com)
  • What type of plant food should we feed our newly planted ceanothus and escallonia shrubs? (garden.org)
  • It isn't necessary to feed your newly planted shrubs. (garden.org)
  • Shrubs and other plants in the landscape can be fertilized yearly. (backyardgardener.com)
  • When you think of bee populations pollinating plants, you often think of perennials and shrubs. (americannativeplants.com)
  • ITIS Reports - Ceanothus ferrisae ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world. (earth.com)
  • Proceeds from every purchase in the TPF store support our nonprofit programs such as Adult Education, California Native Plant Landscaper Certification, Native Plant Garden Tour, Seed Conservation and much more. (theodorepayne.org)
  • Native plants are the backbone of any local ecosystem. (americannativeplants.com)
  • Search for native plants by scientific name, common name or family. (wildflower.org)
  • Bibref 354 - Native & Naturalized Woody Plants of Austin & the Hill Country (1981) Lynch, D. (wildflower.org)
  • Citation for this treatment: Dylan O. Burge & Dieter H. Wilken 2020, Ceanothus maritimus , in Jepson Flora Project (eds. (berkeley.edu)
  • The genus name comes from keanothos , an ancient Greek name relating to some plants in the buckthorn family. (ncsu.edu)
  • Ceanothus megacarpus is endemic to southern California's Transverse Ranges and the Channel Islands. (smmtc.org)
  • Ceanothus sometimes form inpenetrable thickets in the chaparral, especially a few years after a fire. (tchester.org)
  • Thomas G. Barnes @ USDA-NRCS PLANTS Database / Barnes, T.G., and S.W. Francis. (pfaf.org)
  • Some members of this genus have a symbiotic relationship with certain soil micro-organisms, these form nodules on the roots of the plants and fix atmospheric nitrogen. (pfaf.org)
  • Excess nitrogen in the soil can cause excessive vegetative growth on plants at the expense of flower bud development. (backyardgardener.com)
  • Plant in any good garden soil, avoiding wet areas. (garden-centre-plants.com)
  • Dig the soil well, allow it to settle for a few weeks then plant your Ceanothus to the same depth as it was in the pot. (gardentags.com)
  • These plants do for blue what roses do for red and pink, though there's always a know-it-all in the house willing to pipe up that in the case of the ceanothuses ' Ray Hartman ,' ' Dark Star ,' ' Centennial ' and ' Yankee Point ,' from bud to seed their blossoms can also seem to start mauve, turn lavender, then blue, then Jimi Hendrix purple. (chanceofrain.com)
  • Plants dislike root disturbance, they should be planted out into their permanent positions whilst still small[182]. (pfaf.org)
  • Blue blossom is a hardy plant, but it dislikes root disturbance and it should be planted in its permanent site. (ncsu.edu)
  • It is a fast-growing plant that flowers when young. (ncsu.edu)
  • Keep in mind when pruning that the plant flowers on the previous year's growth and any pruning is best done immediately after flowering. (ncsu.edu)
  • Ceanothus flowers aren't any blue, they're blue sky blue. (chanceofrain.com)
  • Colors of the flowers change with age, usually going from darker to lighter, i.e., bluer to whiter, in ceanothus. (tchester.org)
  • Ceanothus, which has many different varieties within the genus, can grow from 2 to 20 feet all, with a similar spread. (tendla.com)
  • from the Greek keanothus, a name meaning thistle or spiny plant which was applied by Theophrastus and/or Dioscorides to an Old World plant believed by some to have been Cirsium arvense, and reused by Carl Linnaeus when he published it in 1753. (smmtc.org)
  • These plants are also deer resistant, making them a great choice in the foothills where deer damage is more common. (tendla.com)
  • Ceanothus ferrisiae grows erect to a maximum height approaching two meters. (earth.com)
  • California Tortoiseshell butterflies have specific preferences when it comes to host plants and habitats. (whatsthatbug.com)
  • California Tortoiseshell butterflies are known to be quite selective when it comes to their host plants. (whatsthatbug.com)