Scientific Name: Ageratum houstonianum Mill. bluemink
Type: Hardy Annual
Native Range: Hawaii, Lower 48 States and Mexico
Hardiness Zones: 2 to 11
Soil Requirements: well-drained, fertile; pH near neutral [5.5 – 7.5];
Light Preference: Full sun or partial shade; thrives in warm humid weather;
Days until Germination: 8-21 days
Days until Maturation: 55-65 days
Bloom Time: Spring to late fall
Sowing: Indoors at 70°-75°, six to eight weeks before last frost.
Plant Spacing: 9″- 12″
Plant Height: 8″- 16″
Harvest: Cut flowers one inch from bottom of the stem, at a 45 degree angle.
Grows Well With:
Grows Poorly With:
Potential Problems: Aphids; Spider mites; Whiteflies; Powdery mildew; Root rot; Lack of support with taller plants;
Uses & Cooking Suggestions: Flower beds; borders; rock gardens; container plants. Taller plants are suitable for cutting.