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Description
Holocarpha Heermannii, also known as Heermann’s tarplant, is a species of flowering plant that is native to California. It belongs to the sunflower family (Asteraceae) and is considered an endangered species due to habitat destruction and invasive species.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Holocarpha |
Appearance
Heermann’s tarplant has a unique appearance, with thin, silver-green leaves and yellow flowers that bloom from July to September. The flowers are small and grow in clusters, creating a beautiful display. The plant can grow up to 3 feet tall and 2 feet wide, making it a great addition to any garden or landscape.
Care Guide
Heermann’s tarplant is relatively easy to care for, as long as its basic needs are met. Here are some tips for taking care of this beautiful plant:
- Water: Water the plant deeply once a week, or more often during hot, dry weather.
- Fertilization: Fertilize the plant once a month during the growing season with a balanced fertilizer.
- Soil: Plant in well-draining soil that is rich in organic matter.
- Sunlight: Plant in full sun to partial shade.
- Hardiness Zones: Heermann’s tarplant is hardy in USDA zones 8-10.
Common Pests & Diseases
Heermann’s tarplant is relatively resistant to pests and diseases. However, it may occasionally be affected by spider mites, aphids, or powdery mildew. To prevent these problems, keep the plant healthy by providing it with proper care and maintenance.
Habitat
Heermann’s tarplant is endemic to California and can be found in several habitats, including coastal dunes, grasslands, and wetlands. It prefers well-drained soil and full sun exposure.
Question and Answer
Q: Is Heermann’s tarplant easy to grow?
A: Yes, it is relatively easy to grow as long as its basic needs are met.
Q: What is the best time to plant Heermann’s tarplant?
A: The best time to plant is in the spring or fall.
Q: Can Heermann’s tarplant be grown in containers?
A: Yes, it can be grown in containers as long as the container is large enough and the plant receives proper care.
Q: How often should Heermann’s tarplant be fertilized?
A: Fertilize once a month during the growing season with a balanced fertilizer.
Related Plants
- Holocarpha macradenia
- Holocarpha virgata
- Holocarpha obconica
- Holocarpha cinerea
References
- “Holocarpha Heermannii.” Calflora. Accessed 17 Aug. 2021. https://www.calflora.org/app/taxon?crn=1686
- “Heermann’s Tarweed.” California Native Plant Society. Accessed 17 Aug. 2021. https://www.cnps.org/gardening/gardening-with-natives/plant_profiles/holocarpha-heermannii
- “Holocarpha Heermannii.” USDA Plants Database. Accessed 17 Aug. 2021. https://plants.usda.gov/home/plantProfile?symbol=HOHE4
