Pet Safe
moderate Care
beardtongue
Penstemon caespitosus
Beardtongue (Penstemon caespitosus) is a wildflower found in the western US. This perennial has narrow leaves and a short crown. In the summer, it produces tall, leafless stems covered with clusters of purple horny-tipped blossoms. These showy flowers attract bumblebees and butterflies, making beardtongue a great addition to any garden. This easy-care plant is drought-tolerant, preferring an abundance of sunshine and well-draining soil. Beardtongue is ideal for borders or rock gardens, and can even be used as a groundcover if planted in mass. With its colorful blossoms and attractive foliage, it's a must-have for any garden.
Sunlight
Full Sun
Water Needs
low
USDA Hardiness Zones
Zone 4Zone 5Zone 6Zone 7
Hardiness Map
Green areas show climates worldwide where this plant can grow.
Zone 4Zone 5Zone 6Zone 7
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Water Every
"7-10" days
Sun Needs
full-sun
Growth
Low
Care Level
Low
Watering Schedule
Frequency
Day 1"7-10" daysDay NaN
💧 Water every "7-10" days
Seasonal Adjustments
Adjust watering frequency based on temperature, humidity, and season. Water more frequently in summer and less in winter.
Pro Tip: Check soil moisture before watering. Stick your finger 1-2 inches into the soil—if it's dry, it's time to water!
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
Division
Divide root ball in spring, replant sections immediately
Cutting
Take 4-6" cuttings in spring, root in water or moist soil
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
Plant Characteristics
Drought Tolerant
Is This Plant Right for You?
Good For:
- •Forgetful waterers
- •Homes with pets
- •Low-maintenance gardens
Consider Carefully:
- •Indoor growing
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.