Contents
Description
Helenium Autumnale Zimbelstern, also known as Sneezeweed or Helen’s Flower, is a perennial plant that belongs to the Asteraceae family. It is native to North America and can be found in meadows, prairies, and along roadsides. The plant produces bright yellow, daisy-like flowers that bloom in late summer and fall. It can grow up to 4 feet tall and 2 feet wide.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Helenium |
Appearance
Helenium Autumnale Zimbelstern has dark green leaves that are lance-shaped and slightly toothed. The stems are sturdy and can be hairy. The plant produces bright yellow, daisy-like flowers that are about 2 inches in diameter. The flowers have a slightly domed shape and a dark brown center. The petals are slightly curved and overlap each other. The plant can grow up to 4 feet tall and 2 feet wide.
Care Guide
Water
Helenium Autumnale Zimbelstern prefers moist soil, but it can tolerate some drought. Water the plant deeply once a week, or more often during hot, dry weather. Avoid overwatering, as this can cause root rot.
Fertilization
Fertilize Helenium Autumnale Zimbelstern in the spring with a balanced fertilizer. Use a slow-release granular fertilizer and follow the package instructions for application rates.
Soil
Helenium Autumnale Zimbelstern prefers well-draining soil that is rich in organic matter. The plant can tolerate a wide range of soil types, but it grows best in soil that is slightly acidic to neutral.
Sunlight
Helenium Autumnale Zimbelstern prefers full sun to partial shade. It can tolerate some shade, but the plant may not produce as many flowers.
Hardiness Zones
Helenium Autumnale Zimbelstern is hardy in USDA zones 3-9.
Common Pests & Diseases
Helenium Autumnale Zimbelstern is generally resistant to pests and diseases. However, the plant can be susceptible to powdery mildew and rust. To prevent these diseases, avoid overhead watering and provide good air circulation around the plant.
Habitat
Helenium Autumnale Zimbelstern is native to North America and can be found in meadows, prairies, and along roadsides. The plant prefers moist soil and full sun to partial shade.
Question and Answer
Q: Is Helenium Autumnale Zimbelstern deer resistant?
A: Yes, Helenium Autumnale Zimbelstern is deer resistant.
Q: Can Helenium Autumnale Zimbelstern tolerate drought?
A: Yes, Helenium Autumnale Zimbelstern can tolerate some drought.
Q: When is the best time to plant Helenium Autumnale Zimbelstern?
A: The best time to plant Helenium Autumnale Zimbelstern is in the spring or fall.
Q: How often should I fertilize Helenium Autumnale Zimbelstern?
A: Fertilize Helenium Autumnale Zimbelstern once a year in the spring with a balanced fertilizer.
Related Plants
- Helenium amarum
- Helenium bigelovii
- Helenium flexuosum
- Helenium hoopesii
- Helenium microcephalum
References
- “Helenium Autumnale.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=280704&isprofile=0&basic=helenium%20autumnale.
- “Helenium Autumnale (Autumn Sneezeweed).” Gardenia, www.gardenia.net/plant-variety/helenium-autumnale-autumn-sneezeweed.
- “Helenium Autumnale.” North Carolina Extension Gardener Plant Toolbox, plants.ces.ncsu.edu/plants/helenium-autumnale/.
