Pet Safe
moderate Care
beardtongue
Penstemon 'Dark Towers'
Beardtongue (Penstemon 'Dark Towers') is an herbaceous perennial plant. It features elegant racemes of tubular, two-lipped, fuzzy, pink blooms in the mid to late summer months. Its mid-green foliage of long, narrow leaves is attractive year-round. This plant naturally grows upright and requires just a few hours of direct sun each day. It's an easy-care, drought-tolerant plant that also handles light frosts well. A breathtaking sight in beds, borders, and container gardens, 'Dark Towers' beardtongue is a must-have for any garden!
Sunlight
Full Sun
Water Needs
low
USDA Hardiness Zones
Zone 3Zone 4Zone 5Zone 6Zone 7Zone 8
Hardiness Map
Green areas show climates worldwide where this plant can grow.
Zone 3Zone 4Zone 5Zone 6Zone 7Zone 8
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Water Every
7-10 days
Sun Needs
full-sun
Growth
High
Care Level
Moderate
Season
Fall
Sep Oct Nov
Winter
Dec Jan Feb
Spring
Mar Apr May
Summer
Jun Jul Aug
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Pruning Time
How to Propagate
Cutting
Take 4-6" cuttings in spring, root in water or moist soil
Division
Divide root ball in spring, replant sections immediately
Seed Propagation
Start seeds indoors 6-8 weeks before last frost date
Layering Propagation
Bend stem to soil surface, cover lightly, roots form in 4-6 weeks
Grafting Propagation
Join scion to rootstock, bind securely until healed
Is This Plant Right for You?
Good For:
- •Homes with pets
Consider Carefully:
- •Indoor growing
- •Infrequent watering
Bloom Seasons
Care Tips
Light Requirements
Needs at least 6 hours of direct sunlight daily. Place in the sunniest spot in your garden.
Watering
Allow soil to dry out between waterings. Overwatering can cause root rot.