Plantaginaceae
Keckiella antirrhinoides var. microphylla
Keckiella antirrhinoides var. microphylla var. microphylla
Also known as Keckiella antirrhinoides subsp. microphylla, Penstemon antirrhinoides subsp. microphyllus, Keckia antirrhinoides var. microphylla, Penstemon antirrhinoides var. microphyllus
Flowering Plants · Native Plants · Trees & Shrubs · Bush Penstemon · Keckiella · Hummingbird Plant · Arizona Native · California Native · Desert Shrub · Tubular Flowers · Xeriscape · Southwest Native · Plantaginaceae
Small-leaf bush penstemon is a fast-growing shrubby perennial native to the desert slopes of Arizona, California, and Nevada, producing tubular yellow flowers beloved by hummingbirds and bees. Plant it in well-drained soil in a partially shaded to sunny spot, and water every 10–14 days once established. This plant is well-suited to xeriscape and native Southwest gardens once it has settled in.
Growing conditions
The details behind the basics
- Daily light
- 5 hours
- Watering
- Water moderately until soil is evenly moist, allowing it to dry slightly between waterings · Every 10-14 days
- Maintenance
- Moderate
- Soil
- loam
- Soil pH
- 7–8
- Temperature
- -20°F to 90°F
- Cycle
- Perennial
Hardiness
USDA 5a-9b
Form & growth
Mature size and habit
- Mature height
- 18 in – 3 ft
- Spread
- 2 ft
- Spacing
- 36 in apart
- Growth rate
- Fast
- Root depth
- Medium
- Flowers
- Yes
- Foliage
- Fine
Ecology & origin
Where it belongs and what it brings
- Native to
- Arizona, California, Mexico Northwest, Nevada
- Attracts
- Bees, Hummingbirds, Butterflies
Sources: trefle, usda
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