How to Grow and Care for Ageratum Flowers
Annual, Ageratum houstonianum
Ageratum are among the prettiest garden blues, growing well in sun or partial
shade, from early summer to frost. Growing Ageratum is easy. They produce
a profusion of fluffy flowers all season long. They are excellent plants
for beginner gardeners. The blues are most popular, providing colorful accent.
Flower colors also include pink and white. Ageratum are native to tropical
regions of South and Central America.
Their size and color makes Ageratum good candidates for both rock gardens
and flower beds. Try growing Ageratum plants in containers, too. They will
be right at home on your patio or deck.
Ageratum are grown from seeds. Sow Ageratum seeds outdoors, after all danger
of frost. Or, start indoors 6-8 weeks before the last frost date for your
area. Cover seeds with 1/8" of light garden soil, and water lightly after
How to Grow Ageratum Plants:
Ageratum prefer full sun to partial shade. They will tolerate a fair amount
of shade. They will do well in both average and poor soils. They are tolerant
dry soil conditions.
Space plants 6-8 inches apart. Water well, when planting.
Add a general purpose fertilizer once or twice a season.
Compact plants grow just 6-8 in. tall.
Insect and Disease:
The most common insect problem are mites. Most insect problems can be effectively
treated with insecticidal soaps and milder insecticides like Sevin.
Disease problems are not very common. If problems occur, treat early with
to Grow Ageratum Plants