Camissoniopsis hirtella is a species of evening primrose known by the common name Santa Cruz Island suncup. It is native to California and Baja California, where it grows on the slopes of coastal and inland hills and mountains, especially in areas that have recently burned. It is an annual herb producing a hairy stem up to about half a meter in height. Most of the leaves are located in a basal rosette at ground level and are oval in shape and a few centimeters in length. The nodding inflorescence produces flowers with sepals coated in long, glandular hairs, and bright yellow petals under a centimeter long each. The petals sometimes have red dots at their bases. The fruit is a coiling capsule up to 2 centimeters long.
Santa Cruz Island suncup has good resistance to disease and is generally not prone to illnesses. However, it can be susceptible to pests and diseases present in its surroundings. These infections are typically not severe. Regarding care, this plant needs moderate maintenance. It should be pruned regularly to preserve a neat appearance and support healthy growth. Fertilizing can also help encourage flowering. Santa Cruz Island suncup is appropriate for anyone with outdoor space, such as a garden or patio, and does not require extensive care experience. It may need more attention when grown indoors.
How to keep Camissoniopsis Hirtella.
Light
Santa cruz island suncup comes from bright, open habitats where it does best in full sun. It can tolerate partial sun but favors direct sunlight for optimal growth. This annual and biennial plant is noted for its sun-loving nature.
Temperature
Santa cruz island suncup can tolerate a wide variety of temperatures, yet its range may still be restricted by particular combinations of moisture and heat. It grows best in warm summer conditions with sufficient rainfall or irrigation. Extended stretches of cloudy, rainy weather or prolonged high temperatures increase the risk of Santa cruz island suncup dying. In winter, adequate protection from cold helps improve the plant’s survival rate.
Fertilizer
When most of Santa cruz island suncup's blooms have opened to full size, resume fertilizing. During the peak bloom period, fertilize once every three to four weeks, weather permitting. Then, when Santa cruz island suncup begins to produce fewer new blooms, stop fertilizing — there's no need to fertilize when the plant can no longer produce blooms.
Pruning
The Santa Cruz Island Suncup, renowned for its vibrant yellow flowers, benefits greatly from pruning in the spring. To enhance airflow and shape, trim away any dead stems and thin out crowded areas. Regular deadheading will help extend the blooming period. Pruning in line with the plant's growth cycle promotes vigorous regrowth, so make sure your tools are clean to prevent the spread of disease.
Botanical profile.
- Plant Type
- Herb
- Life Cycle
- Annual
- Genus
- Camissoniopsis
- Family
- Onagraceae
- Hardiness Zone
- 8-10
- Mature Height
- 10 cm to 40 cm
- Mature Spread
- 15 cm to 30 cm
- Leaf Color
- Green
- Leaf Type
- Deciduous
- Flower Size
- 0.51 cm to 1.02 cm
- Bloom Time
- Spring
- Planting Time
- Spring, Summer
- Harvest Time
- Late spring, Early summer, Mid summer
- Native Area
- Mexico
