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Description:
Heterotheca Grandiflora, commonly known as telegraphweed, is a flowering plant native to North America. It belongs to the Asteraceae family, which also includes daisies and sunflowers. This herbaceous perennial plant can grow up to 3 feet tall and 2 feet wide. It produces yellow daisy-like flowers with dark centers that bloom from late summer to early fall.
Taxonomic Information:
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Heterotheca |
| Species | Grandiflora |
Appearance:
Heterotheca Grandiflora has long, narrow, green leaves that are slightly hairy and rough to the touch. Its stems are also hairy and can become woody at the base as the plant matures. The flowers are bright yellow and measure about 2 inches in diameter. They have 8-12 petals and a dark center made up of many small disk flowers.
Care Guide:
To care for Heterotheca Grandiflora, follow these guidelines:
Water: This plant prefers well-drained soil and doesn’t tolerate standing water. Water it deeply once a week, especially during hot, dry weather.
Fertilization: Fertilize the plant once a month during the growing season using a balanced, all-purpose fertilizer.
Soil: Use well-draining soil that is slightly acidic. If the soil is heavy or clay-like, amend it with sand or perlite to improve drainage.
Sunlight: Heterotheca Grandiflora thrives in full sun but can tolerate some shade. Make sure it gets at least 6 hours of sunlight a day.
Hardiness Zones: This plant is hardy in zones 5-9.
Common Pests & Diseases:
Heterotheca Grandiflora is generally resistant to pests and diseases, but it can be susceptible to spider mites and aphids. To prevent these pests, keep the plant well-watered and mist it occasionally. If infested, use insecticidal soap or neem oil to control the pests.
Habitat:
Heterotheca Grandiflora is commonly found in dry, sandy areas and open fields in the central and western United States. It grows in a wide range of habitats, from prairies and meadows to roadsides and disturbed areas.
Question and Answer:
Q: Can Heterotheca Grandiflora be grown in containers?
A: Yes, this plant can be grown in containers as long as the container is large enough and has good drainage.
Q: Does Heterotheca Grandiflora attract pollinators?
A: Yes, the plant’s flowers attract bees, butterflies, and other pollinators.
Q: How often should Heterotheca Grandiflora be pruned?
A: Prune the plant after it has finished blooming to encourage bushier growth and remove any dead or damaged stems.
Q: Is Heterotheca Grandiflora toxic to pets?
A: There is no evidence that this plant is toxic to pets, but it’s always best to keep pets away from any plant that they may chew or ingest.
Related Plants:
Here are some related plants to Heterotheca Grandiflora:
- Heterotheca Inuloides
- Heterotheca Villosa
- Heterotheca Subaxillaris
- Heterotheca Canescens
References:
Here are some references used in creating this encyclopedia entry:
- “Heterotheca Grandiflora (Telegraphweed) – Gardenia.net.” Gardenia.net, https://www.gardenia.net/plant-variety/heterotheca-grandiflora-telegraphweed. Accessed 13 Oct. 2021.
- “Heterotheca Grandiflora – Plant Finder.” Missouri Botanical Garden, https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=278782. Accessed 13 Oct. 2021.
- “Heterotheca Grandiflora – USDA Plants.” United States Department of Agriculture, https://plants.usda.gov/core/profile?symbol=HEGR2. Accessed 13 Oct. 2021.
