Scientific Name : Scabiosa columbaria
Common Name : Pincushion flower
Hardiness Zone : 4a - 9b
Hardiness Degree : -20°F (-29°C)
Blooming Season : Spring, Late Spring, Summer, Autumn, Winter, Late Summer
Plant Habit : Mounded
Characteristics : Attracts Butterflies, Deer Resistant, Drought Tolerant, Shade Tolerant
Water : Light
Fertilizer : Once a month
Spacing : 10 - 12" (25 - 30cm)
Height : 16 - 18" (41 - 46cm)
Width : 12 - 14" (30 - 36cm)
Exposure : Partial Sun, Sun
General Information : Long-blooming blue flowers attract butterflies to the garden’s edge or rock gardens.
Both flowers and seedheads are lovely in arrangements.
Prefers partial shade in hot Summer climates; avoid wet soil in Winter.
2000 Perennial Plant of the Year.
Idea & Tips : Prefers partial shade in hot Summer climates; avoid wet soil in Winter. Remove faded flowers to extend flowering and promote re-bloom.
Grower Information : Compact, tidy mounds of deep green, basal leaves with wiry stems hold single, round, lavender-blue flowers.
Daylength : Scabiosa will bloom under any daylength, although plants will tend to be taller as days lengthen.
Propagation Information : Avoid saturated media. Apply preventative fungicide drench if soil temperature is lower than recommended.
Cool Treatment :
Plant Maturity: Cold treatment beneficial, but not required for flowering. Plants should be bulked under natural short days for a 4-8 week period. Mature, bulked up plants will respond more favorably to cold treatment.
Temperature: 35-41°F
Duration: 6-15 weeks
Benefits: Increases flowering percentage and number of flowers.
Plant Growth Regulators : Is responsive to B-Nine (Spray) 2,500-4,000 ppm alone or as a tank mix (Spray), with Cycocel 1,000-1,500 ppm. Sumagic (Spray) 10-20 ppm is also effective.
'Butterfly Blue'