Contents
Description
Collinsia Greenei, also known as Sierra Collinsia, is an annual plant that belongs to the plant family Plantaginaceae. It is native to California and can be found in the Sierra Nevada and Cascade Range. This plant has a unique appearance with its blue-purple flowers that bloom in the spring and summer. The flowers have two lips, with the upper lip being darker than the lower one. The plant can grow up to 1.5 feet tall and 0.75 feet wide.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Lamiales |
| Family | Plantaginaceae |
| Genus | Collinsia |
Appearance
Collinsia Greenei has a unique appearance with its blue-purple flowers that have two lips. The upper lip is darker than the lower one. The plant can grow up to 1.5 feet tall and 0.75 feet wide. The leaves are green and oval-shaped, with a slightly serrated edge. The stem of the plant is thin and green.
Care Guide
Water
Collinsia Greenei requires moderate watering. It is important to keep the soil moist but not waterlogged. The plant can tolerate short periods of drought, but it is best to water it regularly.
Fertilization
This plant does not require regular fertilization. However, it can benefit from a light application of a balanced fertilizer once a month during the growing season.
Soil
Collinsia Greenei prefers well-draining soil that is rich in organic matter. It can tolerate a wide range of soil types, including clay and sandy soils.
Sunlight
This plant prefers partial shade to full sun. It can tolerate full sun but may require more frequent watering in hot, dry conditions.
Hardiness Zones
Collinsia Greenei is hardy in USDA zones 7-10.
Common Pests & Diseases
Collinsia Greenei is relatively resistant to pests and diseases. However, it can be affected by spider mites, aphids, and slugs. These pests can be controlled with insecticidal soap or by removing them by hand. This plant can also be affected by powdery mildew, which can be treated with a fungicide.
Habitat
Collinsia Greenei is native to California and can be found in the Sierra Nevada and Cascade Range. It prefers moist areas, such as meadows, stream banks, and forest edges.
Question and Answer
Q: Is Collinsia Greenei a perennial or annual plant?
A: Collinsia Greenei is an annual plant.
Q: What is the ideal soil type for Collinsia Greenei?
A: Collinsia Greenei prefers well-draining soil that is rich in organic matter. It can tolerate a wide range of soil types, including clay and sandy soils.
Q: What is the hardiness zone for Collinsia Greenei?
A: Collinsia Greenei is hardy in USDA zones 7-10.
Q: What is the ideal sunlight requirement for Collinsia Greenei?
A: This plant prefers partial shade to full sun. It can tolerate full sun but may require more frequent watering in hot, dry conditions.
Related Plants
- Collinsia Grandiflora
- Collinsia Torreyi
- Collinsia Multicolor
References
- https://www.calflora.org/cgi-bin/species_query.cgi?where-calrecnum=2209
- https://plants.usda.gov/core/profile?symbol=COGR4
- https://www.fs.fed.us/wildflowers/plant-of-the-week/collinsia_greenei.shtml
