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whiteleaf manzanita

Arctostaphylos manzanita · Ericaceae

whiteleaf manzanita (Arctostaphylos manzanita)
Photo: (c) Alexander Wentworth, some rights reserved (CC BY) · CC BY · via iNaturalist

whiteleaf manzanita (Arctostaphylos manzanita) is a perennial shrub in the Ericaceae family. It is native to North America. USDA records it as hardy in zone 4 and warmer, down to about -23°F.

At a glance

Typeshrub USDA
Lifecycleperennial USDA
Native statusnative USDA
Mature height8 ft USDA
Lightpart-shade USDA
Water needlow USDA
Growth rateslow USDA
Soil pH5.5–7.3 USDA
BloomDecember–February USDA
Flower colorWhite USDA
Hardiness zones4 and warmer USDA
Guild layershrub Derived
Nursery availabilityContracting Only USDA

USDA quoted from the USDA PLANTS database · Derived computed by a fixed rule from those columns. No value on this page is estimated.

Growing conditions

It grows in partial shade. USDA rates it as having low water needs once established. Its drought tolerance is rated high. It will not tolerate waterlogged soil — USDA rates its anaerobic tolerance as none. It is recorded on soils from pH 5.5 to 7.3 — a broad range that spans acidic through mildly alkaline ground. Its cold limit is zone 4.

Size and growth

At maturity it reaches about 8 ft, making it a plant that will finish above head height. It grows slowly.

Bloom period

USDA records a bloom period of December through February. Flowers are white.

A flowering date, not a pollinator rating.

Foliage, flower and season

Summer foliage is green, coarse in texture. Its flowers are not conspicuous — a plant for form and foliage. Its fruit or seed heads are conspicuous, extending interest past flowering. Its active growth period is spring and summer. USDA rates its lifespan as long.

What the site needs to provide

USDA records it across sites receiving 14 to 60 inches of annual precipitation. The low end of that band is genuinely arid, so it has a wide tolerance for dry country. It needs at least 120 frost-free days to finish its season. It roots to at least 20 inches. Fertility requirement: low — no feeding needed on ordinary garden soil.

Propagating it

Propagate it from seed, bare root and container stock. Seed needs cold stratification — a period of moist chilling — before it will germinate, so sow in autumn or chill it artificially before a spring sowing. Its seed spreads at a slow rate. It does not spread vegetatively, so it will stay where you put it.

Resilience and wildlife

Browsing animals rate it barely palatable — the sourced basis for calling it deer-resistant. Its fire tolerance is rated high, and it can resprout after damage. Its growth form is recorded as multiple stem.

Role in a guild

Shrub layer. In a layered planting this is woody mid-level structure between the understory and the ground. The layer is derived by a fixed rule from growth habit and mature height.

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Tags

evergreendrought-tolerantsandy-soildeer-resistantnativeslow-growing

Related plants

Others in Arctostaphylos

Similar role and hardiness

Where this data comes from

Every value on this page comes from the USDA PLANTS database record for symbol ARMA, or is computed from those values by a fixed rule. Nothing here is estimated or model-generated. Where USDA publishes no value, this page omits the claim rather than filling the gap.

Read our full data sources and methodology.

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