Scientific Name : Achillea
Common Name : Yarrow
Hardiness Zone : 3a - 9b
Hardiness Degree : -40°F (-40°C)
Blooming Season : Late Spring, Summer
Plant Habit : Upright
Characteristics : Attracts Bees, Attracts Butterflies, Deer Resistant, Drought Tolerant, Attracts Hummingbirds, Rabbit Resistant, Winter Interest (regional), Colorful/Attractive Foliage, Scented Foliage, Low Maintenance, Frost Tolerant
Water : Light
Fertilizer : Once a month
Spacing : 18 - 24" (46 - 61cm)
Height : 36" (91cm)
Width : 18 - 24" (46 - 61cm)
Exposure : Sun
General Information : This Achillea has sturdy, upright stems that hold large flower clusters.
It has fragrant gray-green leaves.
Idea & Tips : This sun lover tolerates poor soils and multiplies by rhizomes.
Clumps should be pruned to stimulate Spring growth.
Fertilize Achillea in the Spring.
Grower Information : Large, deep yellow heads are excellent for drying.
Daylength : Plants grown under long days (greater than 13.5-hr. daylengths), occurring either naturally or by night-break lighting, will flower more rapidly and uniformly.
Propagation Information : Apply preventative fungicide spray after sticking.
: Plant Maturity:
Cold treatment 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:
Plant Growth Regulators : B-Nine(S) 2,000-4,000 ppm, applied 1-3 times as needed.