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Description
Rehmannia Piasezkii, also known as Piasecki’s Rehmannia, is a perennial herbaceous plant from the family Orobanchaceae. It is native to China and was first discovered by Polish botanist, Wladyslaw Piasecki in 1937. This plant grows up to 40 centimeters in height and produces beautiful pink and purple flowers during the summer months.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Lamiales |
| Family | Orobanchaceae |
| Genus | Rehmannia |
Appearance
Rehmannia Piasezkii has a tuberous root system and produces lance-shaped leaves that are a dark green color. The flowers are trumpet-shaped and can be pink, purple, or a combination of both. They bloom on tall, branching stems and can reach up to 8 centimeters in length. The flowers are followed by seed capsules that contain many small, brown seeds.
Care Guide
Water: Rehmannia Piasezkii prefers moist soil, but it is important not to overwater it as this can lead to root rot. Water the plant regularly, but allow the soil to dry out slightly between watering.
Fertilization: Fertilize the plant with a balanced, all-purpose fertilizer once a month during the growing season.
Soil: This plant prefers well-draining soil that is rich in organic matter. A soil pH between 6.0 and 7.0 is ideal.
Sunlight: Rehmannia Piasezkii prefers partial shade, but it can tolerate full sun in cooler climates.
Hardiness Zones: This plant is hardy in USDA zones 7 to 10.
Common Pests & Diseases
Rehmannia Piasezkii is susceptible to root rot if overwatered. It can also be affected by spider mites and aphids. To prevent these pests, keep the plant’s environment clean and well-maintained. If an infestation does occur, treat it with an insecticidal soap or neem oil.
Habitat
Rehmannia Piasezkii is native to China and can be found growing in open areas and along roadsides. It prefers moist, well-draining soil and partial shade.
Question and Answer
Q: Can Rehmannia Piasezkii be grown indoors?
A: Yes, this plant can be grown indoors in a bright, sunny location.
Q: How often should I water my Rehmannia Piasezkii?
A: Water the plant regularly, but allow the soil to dry out slightly between watering.
Q: How tall does Rehmannia Piasezkii grow?
A: This plant can grow up to 40 centimeters in height.
Q: When does Rehmannia Piasezkii bloom?
A: Rehmannia Piasezkii produces pink and purple flowers during the summer months.
Related Plants
- Rehmannia elata
- Rehmannia glutinosa
- Rehmannia piasezkii var. purpurea
References
- “Rehmannia piasezkii”. RHS. Retrieved 29 December 2021.
- “Rehmannia piasezkii”. Missouri Botanical Garden. Retrieved 29 December 2021.
- “Rehmannia piasezkii”. Plant Finder. Retrieved 29 December 2021.
