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bluegreen saltbush

Atriplex nummularia · Chenopodiaceae

bluegreen saltbush (Atriplex nummularia)
Photo: (c) Jeremy Gilmore, some rights reserved (CC BY) · CC BY · via iNaturalist

bluegreen saltbush (Atriplex nummularia) is a perennial shrub in the Chenopodiaceae family. It is introduced to North America rather than native. USDA records it as hardy in zone 6 and warmer, down to about -8°F.

At a glance

Typeshrub USDA
Lifecycleperennial USDA
Native statusintroduced USDA
Mature height9 ft USDA
Lightfull-sun USDA
Water needlow USDA
Growth rateslow USDA
Soil pH6–9 USDA
BloomDecember–February USDA
Flower colorYellow USDA
Hardiness zones6 and warmer USDA
Guild layershrub Derived
Nursery availabilityRoutinely Available 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 needs full sun. USDA rates it as having low water needs once established. It is recorded on soils from pH 6 to 9 — a broad range that spans acidic through mildly alkaline ground. Its cold limit is zone 6; USDA publishes no warm-end limit, so gardeners in warmer zones should check local heat tolerance separately.

Size and growth

At maturity it reaches about 9 ft, making it a mid-sized plant. It grows slowly, which matters when you are timing a planting around the layers above it.

Bloom period

USDA records a bloom period of December through February. The flower color USDA records is yellow. Bloom timing is how the Guild Builder overlaps flowering across a planting so something is in flower for as much of the season as possible.

Bloom period is a claim about when this plant flowers. It is deliberately not a pollinator rating — no dataset we trust publishes one, so we do not make that claim. See Data & sources.

Role in a guild

Shrub layer. In a layered planting this is woody mid-level structure between the understory and the ground. We derive the layer from the plant's growth habit and mature height using a fixed rule, so the same inputs always produce the same layer.

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Tags

deciduousdrought-tolerantsalt-toleranthedgesandy-soilintroducedfull-sunslow-growing

Related plants

Others in Atriplex

Similar role and hardiness

Where this data comes from

Every value on this page comes from the USDA PLANTS database record for symbol ATNU, 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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