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Tour: Tilden Botanic Garden

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Douglas Iris
Pallid Manzanita
Douglas Iris

Common name:Douglas Iris
Botanical name:Iris douglasiana

Douglas iris is an evergreen perennial for shade or partial sun with blue violet spring flowers. It is a California native that is drought tolerant. -Cornflower Farms

Pallid Manzanita

Common name:Pallid Manzanita
Botanical name:Arctostaphylos pallida

Arctostaphylos pallida, commonly known as Pallid Manzanita, Oakland Hills Manzanita, and Alameda Manzanita, is an upright shrub from the Ericaceae, or heath, family. It grows to around 6 to 13 feet. high. The branches on the shrub are reddish or grayish (more reddish) and they have twigs that tend to be bristly. The ovate to triangular leaves are bristly, strongly overlapping and clasping. They are 1.0 to 1.8 inch long and 0.8 to 1.2 inch wide. The dense, white flowers are urn-shaped and 0.2 to 0.3 inch long. The flowering period is from November to March. A. pallida commonly co-occurs with another manzanita species, Brittle Leaf Manzanita (Arctostaphylos tomentosa ssp. crustacea), but the latter is a burl-forming species with spreading leaves. A. pallida does not form burls. It does best in full sun, attracting hummingbirds and bees. Does well on ridges and slopes. It has red-orange peeling bark.

Designer:

Tilden 15
Image: 15 of 20

Photographer: Vicki Anderson

Soils and Compost:

Physical weed control, including mulching, or hand removal protects the watershed from harmful chemicals.

Integrated Pest Management:

Develop healthy soil for plants that are vigorous and naturally pest-resistant.