Quote:
Originally Posted by SuntannedSwede
Good to know, thank you. Would you allow one tuber per container, or would it be acceptable to double up? Assuming heavy feedings of liquid fertilizers
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Recommended spacing for AA varieties is 18" so your call. They are heavy feeders so I work in a half handfull of granluar 6-12-12 or 10-10-10 when I plant them, and a second dressing of the same somewhere between mid-July & mid-August. Keep the fertilizer away from the stem to avoid burning the plant.
Where I live now I have a hard time flowering AAs (10"+) due to our short season but I always try a few - this year my AAs will be AC Darkhorse, Bonaventure, Clara Huston, Holland Festival, Kelvin Floodlight & Purple Taiheijo. I start the AAs & As indoors in pots (right about now) before planting them out in early/mid June. Typically the smaller the flowers, the earlier they bloom so choose your flower sizes a accordingly. I tend towards `B' (medium, 6"-8") here in Zone 3a since they always flower, unless decimated by hail.