Dondo Blue is an Ageratum houstonianum variety with fuzzy blue flower clusters that bloom all season. Plants reach 30-36 inches tall with 2 1/2 - 3 foot cut stems for bouquets.
Sow on the surface and press into soil, seeds need light to germinate. Start indoors 6-8 weeks before the last frost at 70-75ºF, then plant outside after frost 8-12 inches apart. Sprouts in 5-10 days, flowers in about 90-100 days.
