Ageratum houstonianum - Plant
Description for Ageratum houstonianum
Ageratum houstonianum is a cool-season annual plant often grown as bedding in gardens. The plant grows to 0.3Ã¢â‚¬â€œ1 m high, with ovate to triangular leaves 2Ã¢â‚¬â€œ7 cm long, and blue flowerheads. The flower heads are borne in dense corymbs.
|Common name||Flower colours||Bloom time||Height||Difficulty|
|floss flower||blue sometimes white, pink, or purple||June to frost||0.50 to 2.50 feet||easy to grow|
Planting and care
Plants do not thrive in Zones 9 to 10 without a period of refrigeration; they need a cold, dormant period. Select a site with soil that drains well. How can you tell? After a good rain, find a spot that is the first to dry out. Water trapped beneath the scales may rot the bulb, so a well-drained site is essential.
|Full sun to part shade||well-drained soil||medium||10 Ã‚Â°C||apply any organic fertilizer|
Caring for Ageratum houstonianum
- Every leaf has a growth bud, so removing old flower blossoms encourages the plant to make more flowers instead of using the energy to make seeds. Clean away from around the base of the rosebushes any trimmed debris that can harbor disease and insects.Late in the season, stop deadheading rugosas so that hips will form on the plants.
Typical uses of Ageratum houstonianum
Special features: Shorter varieties are excellent as bedding plants, edgers (along paths, walkways and border fronts) and container plants (hanging baskets, window boxes, urns or other containers). Also effective in rock gardens. Taller varieties are appropriate for mid-borders or cutting gardens.
Ornamental use: The plant is used for ornamental purpose.
Medicinal use: Ageratum houstonianum Mill is one of the most important medicinal plants of this region Ageratum houstonianum is a short lived(annual or biennial) herbaceous plant growing 0.3-1m tall, with showy flower heads and have long history of traditional medicinal uses.
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