Scientific Name : Penstemon barbatus
Common Name : Beard Tongue
Hardiness Zone : 5a - 8b
Hardiness Degree : -20°F (-29°C)
Blooming Season : Spring, Late Spring, Summer, Autumn, Late Summer
Plant Habit : Upright
Characteristics : Attracts Bees, Attracts Butterflies, Drought Tolerant, Attracts Hummingbirds, Heat Tolerant
Water : Light
Fertilizer : Once a month
Spacing : 6 - 12" (15 - 30cm)
Height : 12" (30cm)
Width : 12" (30cm)
Exposure : Sun
General Information : Bell-shaped blooms on compact flower spikes.
Idea & Tips : Prefers well-drained soil in full sun, although will tolerate a wide range of soils and conditions.
: Compact varieties bloom in bold colors…“sweet as candy, tough as nails!”
- Bell-shaped blooms on compact flower spikes.
- Plump panicles stand out against green foliage.
- Fits well at the front of a border, along walkways and in containers.
Features a strong purple flower.
Protection Information : PPAF
(Flowering Only License)
Breeder : Darwin Perennials
EC 0.75-0.80 mmhos/pH 5.8-6.2
500 ppm IBA
Moderate to high for first 24 hours, then reduce to low.
50-75 ppm N
35-42 days after sticking
Nights: 55 to 70°F (13 to 21°C) Days: 60 to 80°F (15 to 27°C)
3,000 to 5,000
Long day facultative
Allow media to dry moderately between watering.
Use a balanced fertilizer at a rate of 150 to 175 ppm N.
PGRs generally not needed
Spider mites, thrips. Watch for INSV/TSWV.
Unrooted: 10-14 wks Rooted: 8-10 wks
Unrooted: 15-17 wks Rooted: 10-12 wks
Unrooted: 19-22 wks Rooted: 12-14 wks
April to September
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