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Description
Physostegia Correllii, also known as Correll’s Obedient Plant or False Dragonhead, is a perennial herbaceous plant that belongs to the mint family, Lamiaceae. It is native to the southern United States, particularly in Texas.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Lamiales |
| Family | Lamiaceae |
| Genus | Physostegia |
Appearance
Physostegia Correllii can grow up to 3-4 feet tall and 2-3 feet wide. It has lance-shaped, dark green leaves that are around 4 inches long. The plant produces clusters of tubular flowers that bloom from late summer to early fall. The flowers are white, pink, or lavender and have a unique shape that resembles a snapdragon. The stems are square-shaped and have a slightly hairy texture.
Care Guide
Physostegia Correllii is a low-maintenance plant that is easy to care for. Here are some tips:
- Water: Water your plant regularly, especially during dry periods. Make sure the soil is moist but not waterlogged.
- Fertilization: Fertilize your plant with a balanced fertilizer once a year in the spring.
- Soil: Plant your Physostegia Correllii in well-draining soil that is rich in organic matter.
- Sunlight: This plant thrives in partial to full sun. It can also tolerate some shade.
- Hardiness Zones: Physostegia Correllii is hardy in USDA zones 5-9.
Common Pests & Diseases
Physostegia Correllii is generally resistant to pests and diseases. However, it may be susceptible to spider mites, aphids, and whiteflies. To prevent infestations, keep the plant healthy and monitor it regularly. If necessary, treat the plant with insecticidal soap or neem oil.
Habitat
Physostegia Correllii is native to the southern United States, particularly in Texas. It prefers to grow in moist, well-drained soil in full to partial sun. It can also tolerate some shade.
Question and Answer
Q: Can Physostegia Correllii tolerate drought?
A: While Physostegia Correllii can tolerate some dryness, it prefers moist soil and may not thrive in drought conditions.
Q: How often should I fertilize my Physostegia Correllii?
A: Fertilize your plant once a year in the spring with a balanced fertilizer.
Q: Is Physostegia Correllii deer-resistant?
A: Physostegia Correllii is not deer-resistant and may be eaten by deer.
Q: Can I grow Physostegia Correllii in a container?
A: Yes, you can grow Physostegia Correllii in a container as long as the container is large enough to accommodate the plant’s size and has good drainage.
Related Plants
- Physostegia intermedia
- Physostegia virginiana
- Physostegia parviflora
References
- “Physostegia Correllii.” The Plant List. Accessed 18 May 2021. http://www.theplantlist.org/tpl1.1/record/kew-152317
- “Physostegia Correllii.” Missouri Botanical Garden. Accessed 18 May 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=b807
- “Physostegia Correllii.” Lady Bird Johnson Wildflower Center. Accessed 18 May 2021. https://www.wildflower.org/plants/result.php?id_plant=phco4
