Black Walnut vs Pawpaw - TreeTime.ca

Black Walnut vs Pawpaw

Juglans nigra

Asimina triloba

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Black Walnut
Pawpaw

The Black Walnut is a slow growing, large, straight-stemmed tree with an open crown. It produces dense, very hard, edible nuts.

Black Walnut has a deeply-furrowed, black bark. Its leaves are about 1 foot long, composed of 15 - 23 slightly stalked leaflets on a moderately stout stock which provide good dappled shade.

Despite being highly valued for its edible nuts and its shade tree aesthetics, it is rare to see this tree on the prairies.

Note: Black Walnut's roots produce a substance named juglone that is toxic to some other plants. Consider this when choosing where you plant a black walnut, as you will not be able to grow tomato, potato, cabbage, eggplant, blueberry, azalea, rhododendron, lilac, red pine and apple in the surrounding area.

Note: Plant this tree once. It will not respond well to transplanting.

Note: Although self-pollinating, planting two trees significantly improves nut production.

A top CO2 absorbing species. Experts think this tree may help climate change more than others.

The Pawpaw tree produces delicious, sweet fruit with a unique banana-mango flavor. These oblong fruits start yellowish-green and mature to a dark brown in the fall. It is best to leave them on the tree until ripe, as they do not ripen well once picked. Pawpaws can be enjoyed fresh, in baking, or in ice cream.

Pawpaws produce the largest native fruit in North America. They typically grow as a small understory tree or large shrub on wooded slopes, in ravines, and along stream banks. They often spread through root suckers, forming dense thickets over time.

For fruit production to occur more than one genetically different Pawpaw tree is required. Our Pawpaw seedlings are grown from seed so they are all genetically different.

Note: Avoid eating the seeds and skin of the Pawpaw fruit as they can cause stomach pain for some individuals. Contact with the skin of the fruit can also result in skin irritation, so it is recommended to wear gloves during harvest. Plant this tree once. Due to its large tap root transplanting is not recommended.

Black Walnut Quick Facts

Pawpaw Quick Facts

Lowest Price: $9.99 - SAVE UP TO 50%
Zone: 3a
Zone: 5a
Height: 14 m (45 ft)
Height: 6 m (20 ft)
Spread: 9 m (30 ft)
Spread: 6 m (20 ft)
Moisture: dry, normal
Moisture: normal, wet
Light: partial shade, full sun
Light: any
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no
Flavor: similar to mango or banana
Flowers: red purple
Nuts: corrugated nut with edible meat
Growth rate: slow
Growth rate: medium
Life span: long
Life span: medium
Suckering: low
Suckering: high




Other Names: american walnut
Other Names: american pawpaw, custard apple, custard apple tree, indian banana, paw paw, paw-paw, wild banana