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Red mulberry

Morus rubra

Also called American Mulberry

Red mulberry
Photo: Douglas Goldman, CC BY-SA 4.0

Red mulberry is a small to medium deciduous tree native to eastern and central North America, grown for its sweet berries and durable wood. It is a tree that takes about ten years to fruit, so plant it where it has room to grow.

Family
Moraceae (Fig & mulberry family)
Grows as
Tree
Light
Full sun
Water
Water deeply during dry spells, especially while young, since drought stress can cause early fruit drop.
Soil
Deep, moist but well-drained loam; tolerates a range of soils.
Temperature
Hardy in temperate climates; cold-hardy in USDA zones roughly 4 to 9.
How easy
Easy
Safety
Mildly toxic: Leaf sap, stems and unripe fruit can cause skin irritation (dermatitis) in sensitive people and, when ingested, may cause hallucinations and nervous system effects.. Not toxic to cats or dogs (ASPCA).
Edible
Yes, some parts
Native range
SE. Canada to C. & E. U.S.A.
Climate
temperate

About

Morus rubra, commonly known as the red mulberry, is a species of mulberry native to eastern and central North America. It is found from Ontario, Minnesota, and Vermont south to southern Florida, and west as far as southeastern South Dakota, Nebraska, Kansas, and central Texas. There have been reports of isolated populations (very likely naturalized) in New Mexico, Idaho, and British Columbia.

Common in the United States, it is listed as an endangered species in Canada, and is susceptible to hybridization with the invasive white mulberry (M. alba), introduced from Asia.

How to grow it

Red mulberry has not been widely cultivated in much of the world, due to several undesirable characteristics:

The red mulberry cannot be used for silk production, unlike the white mulberry. Silkworms reject the leaves of the red mulberry.

Where it grows

The red mulberry plant is native to the United States. M. rubra occurs from the Atlantic coast to the eastern edge of the Great Plains, south to southern Florida and north to southwestern Ontario in Canada. The native red mulberry can be mostly found in riparian areas and is considered rare and threatened in many areas including northeastern United States and southeastern Canada.

Uses

The berries are edible and sweet. The first English colonists to explore eastern Virginia in 1607 mentioned the abundance of both mulberry trees and their fruit, which was eaten (sometimes boiled) by the native Powhatan tribes. Today, mulberries are eaten raw, used in the fillings of pastries, and fermented into wine. They are also used for marmalades, liquors, natural dyes, and cosmetics. The berries are not commercially sold because they have very short "shelf lives" and pack/ship very poorly.

Other Morus plants

White Mulberry · Indian Mulberry · Mongolian Mulberry · Black Mulberry · Mulberry

Text excerpted from the Wikipedia article Morus rubra by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

Pet safety from the ASPCA toxic and non-toxic plant lists.

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