Contents
Description
Pinus Parviflora, also known as Japanese white pine or five-needle pine, is a species of evergreen coniferous tree that is native to Japan. It is widely cultivated as an ornamental tree in gardens and parks around the world due to its attractive appearance, slow growth, and adaptability to pruning.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Pinophyta |
| Class | Pinopsida |
| Order | Pinales |
| Family | Pinaceae |
| Genus | Pinus |
Appearance
Pinus Parviflora is a slow-growing tree that can reach a height of 40-50 feet and a spread of 20-30 feet. It has a pyramidal shape with a straight trunk and horizontal branches. The needles are 2-4 inches long and grow in bundles of five, hence the common name “five-needle pine.” The needles are bluish-green in color and are soft to the touch. The cones are small, measuring 2-4 inches in length, and are brown in color.
Care Guide
Pinus Parviflora is a relatively low-maintenance tree that requires minimal care once established. Here are some tips on how to care for this tree:
- Water: Water deeply once a week during the growing season, and reduce watering in the winter.
- Fertilization: Fertilize in the spring with a slow-release fertilizer formulated for evergreen trees.
- Soil: Plant in well-draining soil that is slightly acidic.
- Sunlight: Plant in a location that receives full sun to partial shade.
- Hardiness Zones: Pinus Parviflora is hardy in USDA zones 5-8.
Common Pests & Diseases
Pinus Parviflora is relatively pest-free but may be susceptible to some diseases, including:
- Pine wilt: A disease caused by a nematode that attacks the tree’s vascular system, leading to wilting and death.
- Needle cast: A fungal disease that causes the needles to turn brown and fall off.
- Spider mites: Tiny pests that can cause yellowing and stunted growth.
- Pine sawflies: Caterpillar-like pests that feed on the needles, causing defoliation.
Habitat
Pinus Parviflora is native to Japan, where it grows in mountainous regions at elevations of 3,000-7,000 feet. It prefers well-draining soils and cool, humid climates.
Question and Answer
Q: Is Pinus Parviflora a good choice for bonsai?
A: Yes, Pinus Parviflora is a popular choice for bonsai due to its slow growth and attractive appearance.
Q: Can Pinus Parviflora tolerate salt spray?
A: No, Pinus Parviflora is not tolerant of salt spray and should not be planted in coastal areas.
Q: Does Pinus Parviflora attract wildlife?
A: Yes, Pinus Parviflora provides habitat and food for a variety of wildlife, including birds and small mammals.
Q: How often should Pinus Parviflora be pruned?
A: Pinus Parviflora can be pruned in the early spring or late fall, but should not be pruned heavily as it may damage the tree.
Related Plants
- Pinus strobus (Eastern white pine)
- Pinus nigra (Austrian pine)
- Pinus sylvestris (Scots pine)
- Pinus thunbergii (Japanese black pine)
References
- “Pinus parviflora.” Missouri Botanical Garden. Accessed August 25, 2021. <https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=b932>
- “Pinus parviflora.” The Morton Arboretum. Accessed August 25, 2021. <https://www.mortonarb.org/trees-plants/tree-plant-descriptions/japanese-white-pine>
- “Pinus parviflora.” Royal Horticultural Society. Accessed August 25, 2021. <https://www.rhs.org.uk/Plants/7505/Pinus-parviflora/Details>
