How to Grow Ageratum (Floss Flower)

Press seeds gently into the soil mix and don't cover, as seeds need light to germinate. Keep moist until leaves emerge (5 to 14 days), and transplant outdoors after all danger of frost is past. For nursery starts, remove plant from the container and gently tease out the roots if potbound.

Are ageratum easy to grow?
How do you plant floss flowers?
Is ageratum easy to grow from seed?
How long does ageratum take to grow?
How tall does ageratum get?
Does ageratum like full sun?
How often do you water ageratum?
Are floss flowers perennial?
How big do floss flowers grow?
How deep do you plant ageratum seeds?
Is ageratum poisonous to humans?
Does ageratum reseed?

Are ageratum easy to grow?

Caring for ageratums is simple and easy, particularly for the beginning gardener. The ageratum flower most commonly found in the garden is a hybrid, growing in a petite and compact form. When you learn how to plant ageratum and grow it successfully, you will always have a blue flower option for the bed or border.

How do you plant floss flowers?

Easy to grow, Ageratum houstonianum performs best in full sun in rich soils with good drainage and consistent moisture during the growing season. Don't let it dry out! Avoid overhead watering and provide good air circulation to prevent the plant from powdery mildew. Light shade is tolerated in hot summer areas.

Is ageratum easy to grow from seed?

Ageratum (Ageratum houstonianum), a popular annual and one of the few true blue flowers, is easy to grow from seed.

How long does ageratum take to grow?

Ageratum - Key Growing Information

DAYS TO GERMINATION:7-10 days at 75-80°F (24-27°C). SOWING:Transplant (recommended): Sow 6-8 weeks before the last frost. Do not cover seed as light aids germination.

How tall does ageratum get?

The species grows to a height of over two feet and reseeds itself liberally. The varieties offered by nurseries and garden centers are almost all hybrids that are more compact and better behaved. Ageratum grows in neat mounds, flowering from late spring through fall and is one of the more dependable flowering annuals.

Does ageratum like full sun?

Full sun to partial shade. Ageratum plants will flower best in full sun; too much shade can result in less blooms and leggy plants.

How often do you water ageratum?

Keep the soil moist throughout spring and summer by watering floss flowers regularly. Floss flowers need about 2.5″ inches of water a week. For daily irrigation use a soaker hose or use a sprinkler for watering twice weekly.

Are floss flowers perennial?

Ageratum is also referred to as floss flower. It has been a favorite in gardens for generations. ... It is a great annual for container gardens, too. And in U.S. Department of Agriculture zones 10 and 11, you can enjoy this flower as a perennial.

How big do floss flowers grow?

Height to 1.5ft (45cm). Ideal for cut flowers.

How deep do you plant ageratum seeds?

Ageratum seed can be started indoors or sown directly in the garden once the soil warms.

Start with high-quality seed from a reputable dealer. ...
Prepare indoor seed pots eight weeks before the last approximate seed date. ...
Make an indentation in the soil that is approximately 1/8-inch deep.

Is ageratum poisonous to humans?

Toxicity. Several species of Ageratum are toxic, containing pyrrolizidine alkaloids. Ageratum houstonianum and Ageratum conyzoides cause liver lesions and are tumorigenic.

Does ageratum reseed?

They do best in full sun with moist, well-drained soil and will flower all summer long. They may reseed, coming back year after year in spots where they're happy.