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Description
Pholistoma Auritum Var. Arizonicum, also known as Arizona bluebells, is a species of flowering plant native to Arizona, California, and Mexico. It belongs to the family Boraginaceae and is a perennial herb that can grow up to 2 feet in height.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Angiospermae |
| Order | Boraginales |
| Family | Boraginaceae |
| Genus | Pholistoma |
Appearance
Pholistoma Auritum Var. Arizonicum has dark green, lobed leaves that are around 3 inches long. The plant produces clusters of bell-shaped, blue flowers that bloom from late spring to early summer. The flowers have a white center and are around 1 inch long. The seeds are small and black.
Care Guide
Pholistoma Auritum Var. Arizonicum requires well-draining soil that is rich in organic matter. It prefers partial shade to full sun and requires moderate watering. It is hardy in USDA zones 8-10. Fertilize the plant once a month during the growing season with a balanced fertilizer.
Common Pests & Diseases
Pholistoma Auritum Var. Arizonicum is susceptible to spider mites, aphids, and whiteflies. Powdery mildew and rust can also affect the plant. Use insecticidal soap or neem oil to control pests and fungicides to control diseases.
Habitat
Pholistoma Auritum Var. Arizonicum is native to rocky slopes, canyons, and washes in Arizona, California, and Mexico. It prefers well-draining soil and can tolerate drought conditions.
Question and Answer
Q: Is Pholistoma Auritum Var. Arizonicum deer resistant?
A: Yes, the plant is deer resistant.
Q: Can I grow Pholistoma Auritum Var. Arizonicum in a container?
A: Yes, it can be grown in a container as long as it has well-draining soil and receives enough sunlight.
Q: How often should I water Pholistoma Auritum Var. Arizonicum?
A: Water the plant when the top inch of soil feels dry. Avoid overwatering as it can lead to root rot.
Q: How do I propagate Pholistoma Auritum Var. Arizonicum?
A: The plant can be propagated by dividing the clumps in the spring or by taking stem cuttings in the summer.
Related Plants
- Pholistoma racemosum
- Phacelia campanularia
- Mertensia ciliata
References
- “Pholistoma auritum var. arizonicum.” Arizona Native Plant Society.
- “Pholistoma auritum var. arizonicum.” Las Pilitas Nursery.
- “Arizona bluebells.” University of Arizona.
