| Common Name: Ageratum Genus: Ageratum Species: houstonianum Cultivar or Variety: 'Red Top' Life Cycle
Annual
Zone Hardiness up to
Zone 3
Zone 4
Zone 5
Zone 6
Zone 7
Zone 8
Zone 9
Endangered Species
No
Heirloom
No
When to Sow Seed
Early Spring
Mid Spring
Late Spring
Early Summer
Germination Temperature
70-80 F
Days to Germination
7-10 days
Sun Exposure
Full Sun
Blooms
Yes
Bloom Form
Above Foliage
Below Foliage
Level with Foliage
Nutritional Needs
Moist
Fertile
Yes
Reproduces By
Seed
Attractive to Wildlife
Hummingbirds
Butterflies
Additional Uses
Containers
Borders
Planters
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