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in Tucson, Phoenix,
Arizona and California

Gardening in Tucson, Phoenix, Arizona and California

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Growing Buddleja marrubiifolia: Woolly Butterfly Bush

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Description
Form: Shrub.
Leaf retention: Evergreen.
Growth rate: Moderate.
Mature Size: 5' high and wide.
Flowers: Tiny orange flowers, aromatic, in ball-shaped clusters about 1/2" across.
Bloom: Late winter, spring, summer or fall, depending on location.
Fruit: Insignificant.
Leaves: Velvety, silver to silver-green leaves with rounded-tooth margins.
Stems: No thorns.
Wildlife: Attracts butterflies.
Toxic / Danger: No.
Origin: Native to Texas and Mexico.

Cultivation and Uses
USDA hardiness zones: 8-11.
Heat tolerant: Yes.
Drought tolerant: Yes.
Sun: Full sun to part shade.
Water once established: Monthly.
Soil: Well drained, pH 6.1-8.5 (slightly acidic to alkaline). Adapts to most soil types.
Prune: This plant flowers on new growth and can be pruned in late fall or early winter. While pruning is not necessary, a light trim can spur new growth and additional flowers.
Litter: Low.
Propagation: Cuttings from new growth.
Uses: Ornamental, xeric garden.

Comments
This plant is a member of the Figwort family (Scrophulariaceae). In full sun, it attracts butterflies briefly when the flowers have first opened. In light shade, more butterflies appear. Plants listed on the Butterfly Garden page attract more butterflies over a longer period of time.



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Latest update: October, 2021

Buddleja marrubiifolia: Woolly Butterfly Bush - flower

Buddleja marrubiifolia: Woolly Butterfly Bush