Gardening
in Tucson, Phoenix,
Arizona and California

Gardening in Tucson, Phoenix, Arizona and California

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Penstemon eatonii: Firecracker Penstemon

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Description
Form: Herb.
Lifespan: Perennial.
Growth rate: Moderate to rapid.
Mature Size: 2' high and 2' wide.
Flowers: Bright red, long, narrow, tubular, arrayed on a stalk.
Bloom: Spring, summer and fall. Blooms at intervals over much of the year especially in response to rain.
Fruit: Seed capsule.
Leaves: Green, lance-shaped, in pairs, clasp stem on opposite sides. Bottom leaves are ovate.
Stems: No thorns. Green.
Wildlife: Attracts hummingbirds. Browsed by mammals.
Toxic / Danger: No.
Origin: California through New Mexico, Colorado, Wyoming, Mexico.

Cultivation and Uses
USDA hardiness zones: 4-10.
Heat tolerant: Best in part shade in hottest months of year.
Drought tolerant: Yes.
Sun: Part shade.
Water once established: Monthly during drought. Do not overwater.
Soil: Well drained, dry, pH 6.1-8.5 (slightly acidic to alkaline).
Mulch: Decomposed granite or small gravel.
Prune: Cleanup in winter. Removing spent stalks after flowering may extend bloom.
Litter: Low.
Propagation: Seed.
Uses: Ornamental, hummingbird garden.

Comments
Due to new genetic research, penstemons are now members of the vastly expanded plantain family, Plantaginaceae.



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Penstemon eatonii: Firecracker Penstemon - flowers

Penstemon eatonii: Firecracker Penstemon - with hummingbird

Penstemon eatonii: Firecracker Penstemon