Columbine, Blue
Aquilegia coerulea
Price: $3.45
SKU: 2000231
Blue Columbine
Aquilegia caerulea
Also known as 'Giant Columbine', its blossoms are large (up to three-inches across), blue and white appearing in spring and lasting into summer. Thrives in moist soil in sun or filtered shade in hot climates. 'Blue Columbine' plants grow between twenty-four to thirty-six inches in height.
A perennial in USDA zones 3-10.
Although you can sow seeds directly in your beds in the fall or late
winter for bloom the following spring, cold conditioning the seed will
yield more consistent germination results. This is accomplished by
surface sowing onto moist potting mix in a pot, using a mister to
re-hydrate the seed and make soil contact, and then chilling them at
38ºF for six weeks to two months. A quicker alternative to moist
chilling is to place the seed in between
paper towels in a zipper freezer bag or similar container, moisten towel
allowing the seeds to re-hydrate for a day, and then place in the
freezer for a day or two before sowing the seeds. Germination can take 25 to 35 days, requires light (do not cover seeds
with soil) and will begin when the soil temperatures have warmed up to 60 to 70ºF.
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