Penstemon Centranthifolius Care

Moderate to little watering

Pruning helps a penstemon stay neat and tidy and maintain a manageable size. It also can encourage a second set of blossoms later in the growing season.

These are very nutrient-efficient plants and excessive fertilization (especially with Miracle-Gro or other chemical fertilizers) pushes excessive growth and makes them much less perennial. When growing Penstemon, to keep them healthy and blooming strongly, a once-annual application of a natural/organic fertilizer in the fall with Yum Yum Mix is ideal. No compost or manure; it's too rich.

Sun

Dry, well-drained soil.

Cold tolerant to -15 deg. or less. Needs good drainage with very little organic matter.

Penstemon centranthifolius is a perennial herb and an angiosperm with many straight, hairless branches that may exceed one meter in maximum height. The thick, untoothed leaves may be up to 10 centimeters long and are arranged oppositely, with some pairs fused together around the stem. Description. Penstemon centranthifolius is a perennial herb with many straight, hairless, erect branches which may exceed one meter in maximum height. The thick, untoothed leaves may be up to 10 centimeters long and are arranged oppositely, with some pairs fused together about the stem.

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