Juglandaceae
Caucasian Wingnut: Full Sun Plant
Pterocarya fraxinifolia
A vigorous and hardy tree, the Caucasian Wingnut requires little maintenance once well established. It requires a sunny exposure, deep and cool soil, and regular watering during its first year of growth. Its resistance to diseases and pests makes it a particularly robust species. It is essential to control the suckers it produces abundantly to prevent any garden invasion.
Every 7 days
Direct sun
-20° - 35°C
40% - 70%
Categories
What is Caucasian Wingnut?
Caucasian Wingnut (Pterocarya fraxinifolia) is a medium-care plant from the Juglandaceae family. The Caucasian Wingnut (Pterocarya fraxinifolia) is a majestic and very fast-growing forest tree, native to the riparian forests of the Caucasus and northern Iran. It can reach 25 to 30 meters in height and 20 meters in spread, developing a powerful trunk with deeply fissured bark and a broad, spread...
Caucasian Wingnut grows up to 30.0m, spread of 2000cm, watering every 7 days, -20°C – 35°C, 40–70% humidity. It is not suitable for indoor environments and safe for pets.
Unlike many popular species, Caucasian Wingnut is safe to keep around pets.
How to Care for Caucasian Wingnut?
TLDR: Caucasian Wingnut needs Direct sun, watering every 7 days, and temperatures between -20-35°C with 40-70% humidity.
How Often Should You Water Caucasian Wingnut?
During the first year after planting, water regularly, especially during dry summer periods, keeping the soil constantly moist without excess standing water. Thick mulching at the base of the tree helps retain soil moisture. Once established (from the 2nd–3rd year), the Wingnut tolerates temporary droughts well and does not require additional watering except during prolonged heatwaves. It particularly appreciates locations near a water source.
How Much Light Does Caucasian Wingnut Need?
The Caucasian Wingnut requires full sun exposure to develop properly. It slightly tolerates partial shade, but its habit will be less dense and its growth slowed. Prefer a south or west orientation, sheltered from prevailing winds. Avoid permanent shade areas that hinder its vigor.
What Is the Best Soil for Caucasian Wingnut?
This large tree thrives in deep, cool, organic-rich, and well-drained soil, ideally along a watercourse or near a high water table. It accepts clay, loamy, or sandy soils as long as they remain sufficiently moist. Its optimal pH is between 5.5 and 7.5. It resists temporary waterlogging well and can even tolerate short floods.
What Pot Should You Use for Caucasian Wingnut?
The Caucasian Wingnut is a tree of very large development, absolutely unsuitable for pot or container cultivation. It requires a vast outdoor space and open ground to develop its creeping and suckering root system.
Care Schedule
Fertilize
Every 365 days
What Is Caucasian Wingnut and Where Does It Come From?
The Caucasian Wingnut (Pterocarya fraxinifolia) is a majestic and very fast-growing forest tree, native to the riparian forests of the Caucasus and northern Iran. It can reach 25 to 30 meters in height and 20 meters in spread, developing a powerful trunk with deeply fissured bark and a broad, spreading crown. Its deciduous foliage, dark green and glossy, is composed of large pinnate leaves that can exceed 60 cm in length, resembling those of an ash tree. In spring, it produces long, greenish, highly ornamental pendulous catkins, followed in summer by a succession of winged fruits in clusters that can reach 60 cm. This outdoor tree is ideal for large spaces, parks, and plantings along water bodies, where its suckering roots contribute to bank stabilization.
How to Propagate Caucasian Wingnut?
How Big Does Caucasian Wingnut Grow?
TLDR: Caucasian Wingnut can reach up to 30.0m tall with Fast growth rate.
Max height
30.0m
Spread
20.0m
Growth rate
Fast
Foliage
Deciduous
Plant Uses
Ornamental
Great for decoration
Medicinal Uses
- The leaves and bark possess diaphoretic properties traditionally recognized in Caucasian folk medicine, promoting sweating during febrile states.
Culinary Uses
- The seeds, although very small and not very fleshy, are technically edible but rarely used in cooking due to their tiny size.
Is your plant showing symptoms?
Click on the symptom to discover possible causes:
What Diseases Commonly Affect Caucasian Wingnut?
TLDR: Caucasian Wingnut is susceptible to 5 known diseases. Monitor regularly for early detection.
Leaf Spot
Leaf spot is a common fungal disease caused by various pathogens including Alternaria, Ascochyta, Colletotrichum, Septoria, and Venturia. It primarily affects leaves, causing discolored spots that can lead to premature leaf drop if left untreated.
Root Rot
Root rot is a serious fungal disease that affects the root system of plants, causing them to decay and die. It is primarily caused by overwatering, poor drainage, or soil-borne fungi such as Pythium, Phytophthora, Rhizoctonia, and Fusarium. The disease thrives in waterlogged conditions where roots are deprived of oxygen, making them susceptible to fungal infection.
Aphids
Aphids are small, soft-bodied, pear-shaped insects (1/16 to 1/8 inch long) that feed by sucking nutrient-rich sap from plants. They reproduce rapidly and can quickly weaken plants, causing distorted growth and transmitting plant viruses. Aphids come in various colors including green, black, red, yellow, brown, and gray. They secrete honeydew, a sticky substance that attracts ants and encourages sooty mold growth.
Canker
Canker is a disease caused by various fungi and bacteria that create necrotic, sunken areas on bark of branches, stems, and trunks. Pathogens enter through wounds and natural openings, especially when plants are stressed. Canker can gradually weaken or kill branches by disrupting water and nutrient flow.
Meaning & Symbolism
Strength, longevity, and grounding. This majestic tree symbolizes the resilience of riparian ecosystems and the quiet power of Caucasian nature.
Compare with similar plants
| Attribute | Difficulty | Light | Watering | Pet Safe |
|---|---|---|---|---|
| Dark Fieldcap | Medium | Low light | 2d | ⚠️ |
| Azalea | Medium | Partial shade | 3d | ⚠️ |
| Muriel's Bamboo | Medium | Partial shade | 3d | ✓ |
| Bougainvillea | Medium | Direct sun | 7d | ⚠️ |
