Return to Penstemon List

Other Quartz Varieties

Penstemon Quartz^® Red

Scientific Name : Penstemon hybrida

Common Name : Beard Tongue

Hardiness Zone : 6a - 9b

Hardiness Degree : -10°F (-23°C)

Blooming Season : Summer, Late Summer

Plant Habit : Upright

Characteristics : Drought Tolerant, Attracts Hummingbirds, Heat Tolerant

Water : Light

Fertilizer : Once a month

Spacing : 18 - 24" (46 - 61cm)

Height : 20 - 24" (51 - 61cm)

Width : 18 - 24" (46 - 61cm)

Exposure : Sun

General Information : Flowers rebloom throughout the season on a sturdy, upright habit.

Idea & Tips : Prefers well-drained soil in full sun, although will tolerate a wide range of soils and conditions.

Grower Information : Reblooms throughout the season for high-impact color.

Sturdy, upright habit.
Good basal branching.

Vivid orange/red variety is very heat tolerant and long flowering.

'Balquared'

Protection Information : EU PBR58623; PP32,296

(Flowering Only License)

Breeder : Darwin Perennials

Propagation Guide
- Media EC/pH:
  
  EC 0.75-0.80 mmhos/pH 5.8-6.2
  
  Soil Temperature:
  
  70-72°F (21-22°C)
  
  Rooting Hormone:
  
  500 ppm IBA
  
  Mist:
  
  Moderate to high for first 24 hours, then reduce to low.
  
  Fertilization:
  
  50-75 ppm N
  
  Pinching:
  
  Recommended.
  
  Transplanting:
  
  35-42 days after sticking
  
  Comments:
  
  Use low mist settings; do not oversaturate rooting media. Root zone temperatures of 70°F (21°C).
Finishing Guide
- Media pH:
  
  5.8-6.2
  
  Temperature:
  
  Nights: 55 to 70°F (13 to 21°C) Days: 60 to 80°F (15 to 27°C)
  
  Light Level (fc):
  
  3,000 to 5,000
  
  Vernalization:
  
  No
  
  Daylength:
  
  Long day obligate
  
  Watering:
  
  Allow media to dry moderately between watering.
  
  Fertilization:
  
  Use a balanced fertilizer at a rate of 125 to 150 ppm.
  
  Pinch After Transplant:
  
  Yes
  
  Plant Growth Regulators:
  
  PGRs generally not needed
  
  Pests and Fungal Diseases:
  
  Spider mites
Crop Scheduling
- 1–qt. (10–cm) pot, 1 plant per pot:
  
  Not recommended
  
  1–gal. (15–cm) pot, 1 plant per pot:
  
  Unrooted: 19-22 wks Rooted: 12-14 wks
  
  2 to 3–gal. (25 to 30–cm) pot, 3 plants per pot:
  
  Unrooted: 21-23 wks Rooted: 14-16 wks
  
  Bloom Months:
  
  July to August

Download Culture Guide

Marketing Information

Download a benchcard