High Tide Blue Ageratum

$ 3.95

These bright blue blossoms on 14-16" inch tall plants create a lovely border. Popular for its unique blue soft furry flowers, and long bloom time makes a nice counterpoint to the other colors in a bed. 

10 pelleted seeds



Ageratum houstorianum


Germination: 5-10 days

Germination Temperature: Optimum soil temperatures 70-75ºF

Seed Planting Depth: Sow on the surface and press into soil, seeds need light to germinate

Starting Indoors:  Start indoors 6-8 weeks before the last frost. Provide 70-75ºF soil temperature. Transplant apart after the last frost, 12” apart.  

Sowing Outdoors: We do not recommend starting ageratum seeds outdoors

Growth Habit: Upright branching

Height and Width: 14-16" x 12"

Spacing: 12" apart

Light Needs: Full sun to part sun

Soil Needs: Fertile, well-drained

Approximate days to flower from seed: 90-100 days

Uses: Cut flowers, flower beds, containers, deer resistant, attracts pollinators

Care: Water seedlings regularly until established. Amend soil with compost before transplanting. Deadhead to encourage more flower production. Apply a liquid fertilizer every 3-4 weeks or use a time-release fertilizer at planting time.