Sow indoors 2-4weeks before your last frost.
Transplant 2-3 weeks after last frost.
Direct sow 2-3 after last frost.
Note: May self-sow but they have not been aggressive for us. If you are concerned, deadhead often! To aid in germination, nick the seeds and soak overnight before sowing.
6-20 days @ soil temp 65-85F
Full sun to mostly full sun
Average. Prefers well-drained, and evenly moist soil although they tolerate drought and poor soil.
It's absolutely necessary to provide support to keep them upright and tidy (climb to 10')!
Loved by hummingbirds.
Long blooming season.