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Description
Phacelia Crenulata, commonly known as Crenulate Phacelia, is a small, herbaceous plant that belongs to the Boraginaceae family. It is native to the western regions of North America, including Arizona, California, Nevada, and Utah. The plant has a short lifespan and usually grows up to a height of 10-50 cm.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Boraginales |
| Family | Boraginaceae |
| Genus | Phacelia |
Appearance
The leaves of Phacelia Crenulata are basal and have a jagged, wavy edge. The plant produces small, white or purple flowers that are arranged in a coiled inflorescence. The flowers have five petals that are fused at the base and have a bell-shaped appearance. The plant blooms from April to June and produces fruits that contain small, black seeds.
Care Guide
Phacelia Crenulata is a hardy plant that requires minimal care. It prefers well-drained soil that is rich in organic matter. The plant should be watered regularly, especially during the hot, dry summer months. Fertilization is not necessary, but a light application of compost or organic fertilizer can help improve soil quality. The plant thrives in full sun and can tolerate temperatures down to -12 °C.
Common Pests & Diseases
Phacelia Crenulata is relatively resistant to pests and diseases. However, it may occasionally be attacked by aphids, spider mites, or whiteflies. These can be controlled using insecticidal soap or neem oil. The plant may also be affected by powdery mildew, which can be treated using a fungicide.
Habitat
Phacelia Crenulata is commonly found in dry, rocky areas, including deserts, canyons, and mountain slopes. It is often found growing in association with other desert annuals, such as lupines, poppies, and desert marigolds.
Question and Answer
Q: Can Phacelia Crenulata be grown indoors?
A: No, Phacelia Crenulata is best grown outdoors in well-drained soil and full sun.
Q: How often should I water Phacelia Crenulata?
A: Phacelia Crenulata should be watered regularly, especially during the hot, dry summer months.
Q: What is the hardiness zone for Phacelia Crenulata?
A: Phacelia Crenulata is hardy in zones 3-10.
Q: How tall does Phacelia Crenulata grow?
A: Phacelia Crenulata usually grows up to a height of 10-50 cm.
Related Plants
- Phacelia Campanularia
- Phacelia Crenulata
- Phacelia Distans
- Phacelia Tanacetifolia
References
- https://www.fs.fed.us/wildflowers/plant-of-the-week/phacelia_crenulata.shtml
- https://ucanr.edu/sites/sacmg/files/181101.pdf
- https://www.nps.gov/articles/phacelia-crenulata.htm
