GENERAL INFORMATION
Scientific Name: Geranium sanguineum
CommonName: Cranesbill
Hardiness Zone: 3a - 8b
Hardiness Degree: -40°F (-40°C)
Blooming Season: Early Spring, Spring, Late Spring
Plant Habit: Mounded
Characteristics: Deer Resistant, Low Maintenance
Water: Medium
Fertilizer: None or when needed only
Spacing: 14 - 16" (36 - 41cm)
Height: 10 - 12" (25 - 30cm)
Width: 12 - 14" (30 - 36cm)
Exposure: Partial Sun, Sun
PROPAGATION
Media EC/pH: EC 0.75-0.80 mmhos/pH 6.2-6.4
Soil Temperature: 70-72°F (21-22°C)
Rooting Hormone: None
Mist: Prefers high humidity or tenting
Fertilization: 50-75 ppm N
Pinching: Pinch once in the liner stage.
Transplanting: 42-49 days after sticking
FINISHING
Media pH: 6.2-6.4
Temperature: Nights: 55 to 65°F (13 to 17°C) Days: 60 to 80°F (15 to 27°C)
Light Level (fc): 5,000 to 8,000
Vernalization: Yes, beneficial for flowering
Daylength: Day length neutral
Watering: Allow media to dry slightly between watering.
Fertilization: Use a balanced fertilizer at a rate of 125 to 150 ppm.
Pinch After Transplant: None
Plant Growth Regulators: Generally not needed. B-Nine/Cycocel combination at 3,750-5,000 ppm, B-Nine/Cycocel 500 ppm before flowering. Sumagic spray can be used after flowering if needed.
Pests and Fungal Diseases: Spider mites, thrips, botrytis, bacterial spotting
CROP SCHEDULING
1–qt. (10–cm) pot, 1 plant per pot: Not recommended
1–gal. (15–cm) pot, 1 plant per pot: Rooted: 10-12 wks
2 to 3–gal. (25 to 30–cm) pot, 3 plants per pot: Rooted: 12-14 wks
Bloom Months: March to November