Contents
Description
Salix Petiolaris, commonly known as the Petiole Willow, is a deciduous shrub that belongs to the Salicaceae family. It is native to the western United States and can grow up to 20 feet tall in its natural habitat. The plant is mainly grown for its ornamental value and is suitable for planting in gardens and parks.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Malpighiales |
| Family | Salicaceae |
| Genus | Salix |
Appearance
The Petiole Willow has narrow, pointed leaves that are about 3 inches long and 1/2 inch wide. The leaves are a blue-green color and have a shiny surface. The plant’s bark is light brown and has small cracks all over it. The shrub produces small, yellow flowers that bloom in early spring before the leaves emerge. The flowers are not very showy, and the plant’s main attraction is its foliage.
Care Guide
The Petiole Willow is a hardy plant that can adapt to a wide range of growing conditions. However, to ensure its optimal growth and health, the following care guide should be followed:
- Water: The plant needs regular watering, especially during its first few years of growth. It prefers moist soil but can tolerate periods of drought.
- Fertilization: The plant does not require frequent fertilization. A slow-release fertilizer can be applied once a year in the spring.
- Soil: The plant grows best in well-drained soil that is rich in organic matter. It can tolerate a wide range of soil types, including clay and sand.
- Sunlight: The Petiole Willow prefers full sun but can also grow in partial shade.
- Hardiness Zones: The plant is hardy to USDA zones 3-8.
Common Pests & Diseases
The Petiole Willow is relatively resistant to pests and diseases. However, it can be susceptible to the following:
- Aphids: These small insects can be found on the plant’s leaves and can cause them to curl and distort.
- Scale insects: These insects can attach themselves to the plant’s branches and leaves, causing them to yellow and die.
- Canker: This fungal disease can cause the plant’s bark to crack and ooze sap. Infected branches should be pruned immediately.
Habitat
The Petiole Willow is native to the western United States and can be found growing in riparian zones, along streams, and in other wetland areas. It prefers moist soil and can tolerate occasional flooding.
Question and Answer
Q: Can the Petiole Willow be grown in containers?
A: Yes, the plant can be grown in containers, but it will need to be repotted every few years as it grows.
Q: Does the Petiole Willow require pruning?
A: The plant does not require frequent pruning, but it can be shaped or trimmed to maintain its size and shape.
Q: How often should the Petiole Willow be fertilized?
A: The plant does not require frequent fertilization. A slow-release fertilizer can be applied once a year in the spring.
Q: How tall does the Petiole Willow grow?
A: The plant can grow up to 20 feet tall in its natural habitat, but it can be maintained at a smaller size with pruning.
Related Plants
- Salix Babylonica
- Salix Caprea
- Salix Discolor
- Salix Fragilis
- Salix Interior
References
1. “Salix petiolaris.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=l220.
2. “Petiole Willow.” The Morton Arboretum, mortonarb.org/plant-and-protect/trees-and-plants/petiole-willow.
3. “Salix petiolaris.” PlantFiles, davesgarden.com/guides/pf/go/1812/.
