Phacelia coerulea is a species of phacelia known by the common name skyblue phacelia. It is native to the California and the Southwestern United States and northern Mexico, where it grows in desert and plateau habitat types, such as scrub and woodland. It is an annual herb growing mostly upright to a maximum height near 40 centimeters. The branching or unbranched stem is coated in soft and coarse hairs. The oblong leaves are a few centimeters long and generally have rounded lobes along the edges. The hairy inflorescence is a one-sided curving or coiling cyme of many flowers. The bell-shaped flowers are light blue or purple and no more than half a centimeter wide.
Sky-blue phacelia is fairly resistant to disease and typically not prone to illnesses. Still, it can be affected by pests and diseases present in its environment. Such infections are usually mild. Regarding care, this plant needs moderate maintenance. It requires regular pruning to preserve an attractive appearance and support healthy growth. Applying fertilizer can also encourage blooming. Sky-blue phacelia is appropriate for anyone with an outdoor area, like a garden or patio, and does not demand extensive care experience. It may need more attention when grown indoors.
How to keep Phacelia Coerulea.
Light
The sky-blue phacelia is native to well-lit, open terrains where it prospers under full sun exposure. It can endure some shade but favoring direct sun is vital for its greatest growth potential. This plant, which can be both an annual and a biennial, is recognized for its affinity for sunlight.
Water
Sky-blue phacelia flourishes in moist conditions and needs consistent hydration, preferring regular watering. To encourage lush growth, water it twice a week. As an outdoor plant, it also benefits from natural rainfall. The vitality of its blooms is closely tied to sufficient watering and seasonal rainfall.
Fertilizer
When the majority of Sky-blue phacelia flowers are fully bloomed, it signifies the need to recommence the fertilization process. Initiate fertilizing again on a three-to-four-week interval during the period of highest bloom production, depending on the weather conditions. Conversely, when the Sky-blue phacelia begins to produce less fresh flowers, suspend the fertilization practice given that there isn't a necessity for fertilizing when the plant is incapable of generating additional flowers.
Pruning
Sky-blue phacelia thrives when pruned from early to late spring, with a focus on removing dead stems and overgrown branches. This practice aligns with its growth cycle, encouraging blooming, maintaining its shape, and promoting healthier foliage. Regular pruning also helps manage the plant's size, improves air circulation, and prevents disease.
Botanical profile.
- Plant Type
- Herb
- Life Cycle
- Annual
- Genus
- Phacelia
- Family
- Boraginaceae
- Hardiness Zone
- 6-9
- Mature Height
- 30 cm to 61 cm
- Mature Spread
- 20 cm to 40 cm
- Leaf Color
- Green, Dark Green
- Leaf Type
- Deciduous
- Flower Size
- 1.02 cm to 2.03 cm
- Bloom Time
- Mid spring, Late spring, Early summer
- Planting Time
- Spring, Summer
- Harvest Time
- Summer
- Native Area
- Mexico
Other names.
