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Description
Ageratum Houstonianum Blue Horizon is a perennial plant, also known as Flossflower or Mexican Ageratum. It is native to Central America, Mexico, and the Caribbean. The plant grows up to 60 cm in height and 30 cm in width. It produces numerous small, fluffy, lavender-blue or purple flowers that bloom from mid-summer to early autumn.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Ageratum |
Appearance
The leaves of Ageratum Houstonianum Blue Horizon are ovate, dark green, and hairy. The stems are also hairy and have a purplish tint. The flowers are small, fluffy, and grow in clusters of up to 20 blooms. They have a pleasant fragrance and attract bees, butterflies, and other pollinators. The plant is ideal for borders, containers, or as a groundcover.
Care Guide
Ageratum Houstonianum Blue Horizon is an easy-to-care-for plant, and it requires minimal attention. Here are some tips to help you care for your Flossflower:
- Water: Water the plant regularly, especially during hot and dry weather. Avoid overwatering, which can cause root rot.
- Fertilization: Fertilize the plant once a month with a balanced fertilizer during the growing season.
- Soil: The plant prefers well-draining soil that is rich in organic matter. It can tolerate slightly acidic to neutral soil pH.
- Sunlight: Ageratum Houstonianum Blue Horizon prefers full sun to partial shade. It can tolerate some shade but may produce fewer flowers.
- Hardiness Zones: The plant is hardy in USDA zones 8 to 11.
Common Pests & Diseases
Ageratum Houstonianum Blue Horizon is generally resistant to pests and diseases. However, it may be susceptible to aphids, spider mites, and whiteflies. These pests can be controlled with insecticidal soap or neem oil. The plant may also be prone to root rot, powdery mildew, and leaf spot, which can be prevented by avoiding overwatering and providing good air circulation.
Habitat
Ageratum Houstonianum Blue Horizon is native to Central America, Mexico, and the Caribbean. It prefers warm and humid climates and can grow in a variety of soil types. The plant is commonly found in gardens, parks, and along roadsides.
Question and Answer
Q: Is Ageratum Houstonianum Blue Horizon poisonous?
A: No, the plant is not poisonous, but it may cause skin irritation in some individuals.
Q: How often should I water my Flossflower?
A: Water the plant regularly, especially during hot and dry weather. Avoid overwatering, which can cause root rot.
Q: Can Ageratum Houstonianum Blue Horizon grow in a container?
A: Yes, the plant is ideal for containers, provided that the soil is well-draining and the container has proper drainage holes.
Q: How tall does Ageratum Houstonianum Blue Horizon grow?
A: The plant grows up to 60 cm in height and 30 cm in width.
Related Plants
- Ageratum Houstonianum Pink Pop
- Ageratum Houstonianum White Bouquet
- Ageratum Mexicanum
- Ageratum Conyzoides
References
- “Ageratum Houstonianum Blue Horizon.” Missouri Botanical Garden. Accessed on 10 June 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=b545
- “Ageratum Houstonianum.” Plant Care Today. Accessed on 10 June 2021. https://plantcaretoday.com/ageratum-houstonianum-blue-horizon.html
- “Ageratum Houstonianum Blue Horizon.” Gardenia. Accessed on 10 June 2021. https://www.gardenia.net/plant/ageratum-houstonianum-blue-horizon-flossflower
