Antirrhinum coulterianum (syn. Sairocarpus coulterianus) is a species of New World snapdragon known by the common name Coulter's snapdragon.
Coulter's snapdragon is relatively disease-resistant and generally does not suffer from many illnesses. However, it can be affected by pests and diseases found in its environment. These problems are typically not serious. Regarding care, the plant requires moderate maintenance. It should be pruned regularly to preserve a neat appearance and healthy growth. Fertilizing can also encourage more blooms. Coulter's snapdragon is appropriate for anyone with outdoor space, such as a garden or patio, and does not demand extensive gardening experience. It may need more attention if grown indoors.
How to keep Sairocarpus Coulterianus.
Light
Coulter's snapdragon is a sun-loving, perennial herbaceous plant native to open habitats, commonly found in meadows and grasslands. It prefers full sun but can also tolerate partial sun.
Temperature
Coulter's snapdragon can tolerate a wide range of temperatures, but its distribution may still be restricted by specific combinations of moisture and heat. It performs best in warm summer climates with sufficient rainfall or irrigation. Extended periods of cloudy, rainy weather or prolonged high temperatures can increase the risk of Coulter's snapdragon dying. In winter, adequate protection from cold can boost the plant's survival chances.
Fertilizer
The best time to fertilize a Coulter's snapdragon is in early spring, as it comes out of dormancy and starts active growth. Fertilizing supplies essential nutrients needed for healthy development. While Coulter's snapdragon has fairly low fertilizer requirements, applying fertilizer annually can help it survive better and produce improved, longer-lasting flowers.
Botanical profile.
- Plant Type
- Herb
- Life Cycle
- Perennial
- Genus
- Sairocarpus
- Family
- Plantaginaceae
- Hardiness Zone
- 8-10
- Mature Height
- 30 cm to 61 cm
- Mature Spread
- 20 cm to 40 cm
- Leaf Color
- Green, Dark Green
- Leaf Type
- Deciduous
- Flower Color
- White
- Flower Size
- 1.02 cm to 2.03 cm
- Bloom Time
- Mid spring, Late spring, Early summer
- Planting Time
- Spring, Summer
- Harvest Time
- Summer
Other names.
