Ceanothus impressus 'Victoria'       0

Author: Tai Hyun Chung (1882-1971) ex Takenoshin Nakai (1882-1952)
Family: Rhamnaceae
Genus: Ceanothus
English name: Santa barbara ceanothus 'victoria'
Zone: California
References for the genus
- Seeds of woody plants in the United States, Schopmeyer Clifford Scharff and others. 1974 pag. 284-290. Address
- Ceanothus, David Fross & Dieter Wilken. 2006 pag. 11-28. ISBN
- eFloras. eFloras.org Vol. 1 pag. 105966. Ceanothus
General specifications
Biological type: shrub
Frost resistance: 18ºF
Leaf color: dark green
Flower color: bleu
Reproduction mode: hermaphrodite plant whoes flowers produce both male and female gametes
Estimated lifespan: ± 8 years

Specifications for the Mediterranean basin
Adult size (h x w): 9,8ft x 9,8ft
Sun exposure: part sun (Sun hours: >3h <6h
Foliage: evergreen
Growth: fast
Flowering time from May until June
Ripe fruits in August

Specific information for our garden
Planting substrate: 20%Compost+40%Clay+40%Sand
Plant watering: 1x a week pH 6.5
Logical sequence of containers for: Trees; forestry plate, forestry pot 3L, container 6L, container 55L, container 110L, container 240L
Propagation is done by cuttings
Sowing instructions
SPRING Keep in refrigerator at 39°F in dry condition. Soak the seeds in warm water of 176°F for 24h (Change the water every 12 hours) until the seeds swell. Keep in refrigerator at 39°F for 12 weeks in humid substrat. Sow the seeds at 5mm depth in the Well Drained Seed Sowing Mix between 59-68°F. During germination keep the substrate moist and in daylight. The seeds germinate in 8 weeks. The viability of the seeds, kept under good conditions, is 12 years.
The average seed weight is 189,4 per gram (0,00528g).

Germination references
- Seeds: Ecology, Biogeography, and, Evolution of Dormancy and Germination, Baskin, Carol & Baskin, J.M. 2014 pag. 1-1586. DOI


Germination references for the genus
- Seeds of woody plants in the United States, Schopmeyer Clifford Scharff and others. 1974 pag. 284-290. Address
- Germination of Ceanothus seeds, Quick, Clarence R and Quick, Alice S. Madroño 1961 Vol. 16(1) pag. 23-30. JStor
- USDA Forest Service's Woody Plant Seed Manual, John K. Francis and Craig D.Whitesell. 2008. Address


Cuttings instructions
Take the cuttings in early spring, soak them in a hormonal preparation for cuttings. Plant them in a substrate rich in perlite and keep them sufficiently moist in sealed freezer bags.
This plant is available from the following nurseries
Experiences in the garden
27-09-12A Obtaining 2 plants from nursery Minier (Cultivated from unknown origin)
02-06-23 2x Dead plant: End of life: JTz1.
. . . 2017A Collection of seeds in the garden collected at 01-08-18. Stock (Cultivated from unknown origin) Index Seminum
23-08-18 Sown 500 seeds in a tray, they did not geminate in Serre2.
Protocol: Autumn Soak 68°F 24h 2mm Sowing mix >77°F Damp substrate+Light
04-05-20 Sown 15 seeds in a seed plate F, they did not geminate.
Protocol: Spring Soak 68°F 24h 2mm Sowing mix 68-77°F Damp substrate+Light
27-04-21 Sown 40 seeds in a seed plate F and germinated at 27-01-22, result: 1 units.
Protocol: Spring Soak 68°F 24h 2mm Sowing mix 64-72°F Damp substrate+Light
03-02-22 Sown 15 seeds in a seed plate F, they did not geminate in Serre5.
Protocol: Spring Soak 210,2°F 30sec Strat Hum 12wk 2mm Sowing mix+Sand 50-59°F Damp substrate+Light
08-01-24 Sown 20 seeds in a seed plate F, they did not geminate in Serre8.
Protocol: Spring Fridge Soak 210,2°F 1min-12h Strat Hum 12wk 2mm Sowing mix+Sand 59-68°F Damp substrate+Light 8w
21-11-24 Sown 20 seeds in a seed plate F, they did not geminate in Serre5.
Protocol: Spring Fridge Strat Dry 12wk Soak 210,2°F 1min-12h 2mm Sowing mix+Sand 59-68°F Damp substrate+Light 8w
15-12-24 Sown 12 seeds in a seed plate F, they did not geminate in Serre5.
Protocol: Spring Fridge Strat Dry 12wk Soak 210,2°F 1min-12h 2mm Sowing mix+Sand 59-68°F Damp substrate+Light 8w
14-03-25 Sown 12 seeds in a seed plate F, they did not geminate in Serre5.
Protocol: Spring Fridge Strat Dry 12wk Soak 210,2°F 1min-12h 2mm Sowing mix+Sand 59-68°F Damp substrate+Light 8w
31-03-25 Send a batch to nursery MGS.
09-12-25 Sown 12 seeds in a seed plate F, they did not geminate in Serre5.
Protocol: Spring Fridge Soak 210,2°F 1min-12h Strat Hum 12wk 2mm Sowing mix+Sand 59-68°F Damp substrate+Light 8w
. . . 2021A Production of 1 plants in our nursery (Cultivated from unknown origin)
27-07-22 1x Not the right plant: Serre7 F2.