Container:
Premium 1 Gallon Pot
When to Plant:
Late spring to early summer
Finish:
For sales the following spring
Notes:
Place the crown about one half inch below the soil surface as this helps promote better eye development for the following season.
Container:
Premium 1 Gallon Pot
When to Plant:
Early spring to late spring
Finish:
6-8 weeks
Grower Tips:
When planting from bare root, grow Amsonia cool to prevent flowering before the plant is rooted.
Growing Temperature:
55-65° F
Holding Temperature:
40-50° F
Soil PH:
5.6-6.2
EC (What is EC?):
2.0-3.0 pour through method
Fertility:
After new leaves emerge use a water-soluble fertilizer, solutions of 50-100 ppm at each or every other watering. May benefit from additional iron applications.
For Controlled Release or Slow Release Fertilizer, see your preferred supplier for recommended rates for incorporation or top dressing, as it varies by fertilizer.
Vernalization:
10-12 weeks at temperatures below 40° F.
Pests & Diseases:
Leaf spot (Mycosphaerella), rusts.
Potting & Timing:
Small plugs should be potted in late spring to early summer. These plants will be ready for sales the following spring.
Place the crown about one half inch below the soil surface as this helps promote better eye development for the following season.
Bare root should be planted so the crown is slightly below the soil surface.
Moisture:
For potting soil use commercial planting media.
Allow plants to dry thoroughly between waterings.
Planting Level:
Crown just below soil surface.
PGRs/Pinching:
Sumagic (Uniconazole) can be applied as a drench at 1 ppm or spray at 5 ppm.