Glow Girl Spirea Spiraea
pH:
B (5.6 - 6.2)
B (0.6 - 0.9)
Medium (150 - 200 ppm)
Medium
Moderate to Moist
B (65 - 72º Fahrenheit)
A (60 - 65º Fahrenheit)
A (40 - 50º Fahrenheit)
Summer to Fall Plant for Spring finish
Starting Materials:
Liners
6" and Gallon Pot : 2.25": 8-10 weeks; Quick Turn: 4-6 weeks
10-12" and Two Gallon Pot : 2.25": 12-16 weeks
18" and Three Gallon Pot : 2.25": 16-20 weeks; Quick Turn: 12-16 Weeks
Over Wintering Temperature:
Polyhouse- no heat Spring prune early before bud break, then again after flowering to produce another flush of new growth
General pest and disease practices as listed in the notes. Aphids can be problem.
Grower Tips:
Plants are late to leaf in spring coming out of winter dormancy.
-Be careful not to prune the new growth in Spring as you will eliminate the flowers.
-Using a 3-4 month slow release fertilizer may reduce the amount of flush in early Spring
Vernalization:
Cold Required 
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