Bunchleaf Penstemon (Penstemon heterophyllus) is a vibrant perennial native to California, showcasing tubular blue-purple flowers and lance-shaped leaves.
At-a-glance light, water, soil, and growing conditions from plant data
Full Sun
100% intensity
Prefers at least 6-8 hours of direct sunlight daily for best flowering.
Moderate
50% intensity
Allow soil to dry between waterings once established. Drought tolerant.
Well-drained
50% intensity
Moderate
50% intensity
Hardy in USDA zones 8-11. Prefers warm, dry summers.
Low
25% intensity
Generally does not require heavy feeding. Light feeding in spring if needed.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
| Edible | No |
Non-toxic
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Water regularly during the first year to establish roots. Once established, Bunchleaf Penstemon is drought-tolerant and prefers well-drained soil.
Water deeply but infrequently, allowing the soil to dry out between waterings, especially during hot, dry periods. Avoid overwatering, which can lead to root rot.
Deadhead spent flowers regularly to encourage more blooms and maintain a tidy appearance. After the main blooming period, consider cutting back plants by about one-third to shape them and promote a denser habit.
Light pruning can also be done in early spring to remove any winter damage.
Bunchleaf Penstemon can be propagated from seed sown in autumn or early spring, or by stem cuttings taken in late spring or early summer. Seeds may require stratification.
Cuttings should be rooted in well-draining medium. Division of established clumps is also a viable method.
Repotting is generally not necessary for established outdoor plants. For container-grown specimens, repot every 2-3 years in spring if the plant becomes root-bound.
Use a well-draining potting mix, and choose a pot that is only slightly larger than the current one to avoid overwatering issues.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Bunchleaf Penstemon (Penstemon heterophyllus)
Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Lamiales |
| Family | Plantaginaceae |
| Genus | Penstemon |
| Species | Penstemon heterophyllus |
Similar in genus Penstemon
Answers based on plant encyclopedia data
