#694 most planted
Juglans
Walnut · also Black walnut, Butternut
SpreadingDeciduous
637
trees mapped
0.01%
of all named trees
19
cities
10 in
median trunk (25 cm, 535 measured)
Report an issue with this species
Walnut trees are deciduous species within the Juglans genus, typically growing 10-40 meters tall with pinnate leaves. They are known for producing edible nuts and are valued for their timber. Some species release juglone, which can inhibit the growth of other plants.
Where it grows
Trees in each city's inventory, with the share of that city's named trees this species accounts for.
- 1860.03%—15 in
- 780.11%—9.8 in
- 610.01%35 yr9.9 in
- 600.02%—7.1 in
- 530.02%——
- 400.01%35 yr12 in
- 300.01%—9.4 in
- 260.03%—11 in
- 250.01%—11 in
- 240.00%—3.0 in
- 140.06%—20 in
- 90.00%—10 in
- 90.01%—12 in
- 80.02%6.8 yr—
- 60.04%—2.0 in
- 40.00%—5.9 in
- 20.02%—1.2 in
- 10.00%—16 in
- 10.00%—1.9 in
Traits
- Form
- Spreading
- Foliage
- Deciduous
- Mature height
- 15–164 ft
- Canopy spread
- 15–70 ft
- Growth rate
- Moderate
- Water needs
- Moderate
- Wildlife value
- High
- Blooms
- Mar, Apr, May
Trunk diameters across every city: median 10 in, mean 13 in, 90th percentile 27 in. Measured at breast height, as published by each inventory.
Other Juglans in the catalogue
12 of the top 2,000 species are in this genus.
