San Marcos Growers LogoSan Marcos Growers
New User
Wholesale Login
Enter Password
Home Products Purchase Gardens About Us Resources Contact Us
COVID-19 Response
Search Utilities
Plant Database
Search Plant Name
Detail Search Avanced Search Go Button
Search by size, origins,
details, cultural needs
Website Search Search Website GO button
Search for any word
Site Map
Retail Locator
Plant Listings


  for JUNE

Natives at San Marcos Growers
Succulents at San Marcos Growers
 Weather Station

Products > Ceanothus maritimus 'Frosty Dawn'
Ceanothus maritimus 'Frosty Dawn' - Maritime Ceanothus

Note: This plant is not currently for sale. This is an archive page preserved for informational use.  

Habit and Cultural Information
Category: Shrub
Family: Rhamnaceae (Buckthorns)
Origin: California (U.S.A.)
Evergreen: Yes
Flower Color: Lavender Blue
Bloomtime: Winter
Height: 1-2 feet
Width: 4-6 feet
Exposure: Sun or Shade
Irrigation (H2O Info): Low Water Needs
Winter Hardiness: 10-15 F
Ceanothus maritimus 'Frosty Dawn' (Maritime Ceanothus) This slow-growing yet long-lived selection of maritime ceanothus forms a low mound 2 feet tall and 3 to 5 feet wide. The slightly arching stems are lined with thick, leathery, 1/2 inch long, gray-green leaves and lavender blue flowers in mid to late winter. In coastal California gardens, this cultivar is one of the earliest ceanothus to flower, often blooming in January. Plant in full sun to light shade in well-drained soils and water sparingly for best results, though we have seen this plant thriving in heavy soil and half-day sun in a Santa Barbara garden. In fact, 'Frosty Dawn' was by far the most successful of the groundcover ceanothus in this particular garden. This cultivar performs best in coastal climates but has also proved successful in inland gardens when grown in part shade. A rare shrub native to the hills around Arroyo de la Cruz in San Luis Obispo County, maritime ceanothus is an excellent small-scale groundcover and is particularly effective in rock gardens or dry borders. Dave Fross selected and introduced 'Frosty Dawn' and notes that there are two or three clones of Ceanothus maritimus circulating in the trade under the name 'Frosty Dawn'. One imposter has light blue flowers and is quite easy to distinguish from the original while another has darker flowers similar to true 'Frosty Dawn', but with a taller and more open habit. Hardy to 10 degrees F.  Information displayed on this page about  Ceanothus maritimus 'Frosty Dawn' is based on the research conducted about it in our library and from reliable online resources. We also note those observations we have made of this plant as it grows in the nursery's garden and in other gardens, as well how crops have performed in our nursery field. We will incorporate comments we receive from others, and welcome to hear from anyone who may have additional information, particularly if they share any cultural information that would aid others in growing it.