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Romence Gardens

Penstemon barbatus 'Rock Candy® Blue'

$1699
Shipping calculated at checkout.

This item is available for preorder only.
  • Pot Size: 5.25 Inch Square Pot
  • Common Name: Beardtongue, Beardlip Penstemon
  • Exposure: Full Sun 
  • Hardiness Zone: 5-8
  • Bloom Color: Blue
  • Bloom Time: Summer-Fall
  • Garden Height: 12-18 Inches
  • Garden Spread: 12-18 Inches

Gorgeous purple-blue flowers emerge throughout the summer on thin spikes. The green leaves are narrow and run along the stem. It is drought tolerant once established in the landscape and the flowers are attractive to hummingbirds. Also tolerant to dry, sandy or rocky soils. A great plant that adds bold color to the landscape.

Uses: Beds, Borders, Cottage Gardens, Naturalizing, Rock Gardens, Flower Gardens, Landscapes
Nature Attraction: Butterflies, Hummingbirds, Bees
Critter Resistance: Deer, Rabbit
Notable Features: Drought Tolerant, Cut Flower, Heat Tolerant, Long-Blooming
Growth Habit: Compact, Upright

Full Companion Plant List

Homeowner Growing Tips

Grow in full sun to light shade in well-drained, fertile soil. Amend with compost before planting. Roots can not be in soggy or waterlogged soil, will otherwise develop root rot.

Deadhead after flowering. In cold climates, mulch for the winter.

Water Requirements: Water soil fully, then let moderately dry out before next watering.

Delivery and Shipping

Orders will be scheduled to ship based on the last frost date in your area. See the map below for more information.

We guarantee our plants to arrive in acceptable condition. If there are any issues upon delivery, please email support@romencegardens.com within 48 hours and we will resolve the issue.

Available For Preorder Only

Plants will begin shipping March 30, 2026. See the map below for more accurate shipping times.

When Will My Order Ship?

Your order will be scheduled for shipment based on the last frost date in your area as indicated by this map and on the maturity of the plants themselves. If you would prefer a different ship date, please include that in the notes of your order.

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