Collier Red Mulberry Morus rubra 'Collier'
- Phonetic Spelling
- MOR-russ ROO-bruh
- Description
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Collier red mulberry is a native tree species and has both edible and ornamental features. It is a hybrid between red mulberry and white mulberry. It can live up to 125 years but the weedy invasive character is not appealing. It is more cold hardy than black mulberry.
Female trees are often considered undesirable in urban areas because the fruit is messy and stains pavements, automobiles and areas around the home. Stains may also be unwittingly brought indoors on the bottom of shoes. Do not plant this tree in the home landscape if you object to the mess typically caused by the fruit. Non-fruiting cultivars of the similar M. alba may be a better choice.
Insects, Diseases, or Other Plant Problems:
Borers may be a problem particularly in the South. Whiteflies mass on some trees. Bacterial blight may kill foliage/branches. Coral spot cankers may cause twig dieback. Bacterial leaf scorch, powdery mildew, root rot, and witches broom may also occur. Watch for scale, mites, and mealybugs. Weedy self-seeding and messy fruit are concerns.
- See this plant in the following landscape:
- Cultivars / Varieties:
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- Tags:
- Cultivars / Varieties:
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Attributes:
- Genus:
- Morus
- Species:
- rubra
- Family:
- Moraceae
- Life Cycle:
- Woody
- Distribution:
- It is native to rich woods, bottomlands and wood margins from Massachusetts, southern Ontario and Minnesota south to Florida and Texas.
- Wildlife Value:
- This plant is moderately resistant to damage from deer. It is a possible host plant for the Red Admiral butterfly. Its fruits are eaten by many birds, especially gray catbirds and northern mockingbirds, foxes, opossums, raccoons, and squirrels.
- Edibility:
- Fruits are also used for jellies, jams, and wines.
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Whole Plant Traits:
- Plant Type:
- Edible
- Tree
- Woody Plant Leaf Characteristics:
- Deciduous
- Habit/Form:
- Erect
- Rounded
- Spreading
- Growth Rate:
- Rapid
- Maintenance:
- High
- Texture:
- Medium
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Cultural Conditions:
- Light:
- Full sun (6 or more hours of direct sunlight a day)
- Partial Shade (Direct sunlight only part of the day, 2-6 hours)
- Soil Texture:
- Clay
- Loam (Silt)
- Sand
- Soil Drainage:
- Good Drainage
- Available Space To Plant:
- 12-24 feet
- NC Region:
- Coastal
- Mountains
- Piedmont
- USDA Plant Hardiness Zone:
- 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b
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Fruit:
- Fruit Color:
- Black
- Red/Burgundy
- Fruit Value To Gardener:
- Edible
- Display/Harvest Time:
- Summer
- Fruit Length:
- 1-3 inches
- Fruit Description:
- Produces numerous reddish-black fruit that looks like a blackberry but slender with a size of 1 1/4''
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Flowers:
- Flower Color:
- Green
- Flower Inflorescence:
- Catkin
- Insignificant
- Flower Bloom Time:
- Spring
- Flower Description:
- Small catkin-like spikes that appear in early spring with male and female flowers usually appearing on separate trees (dioecious).
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Leaves:
- Woody Plant Leaf Characteristics:
- Deciduous
- Leaf Color:
- Green
- Leaf Type:
- Simple
- Leaf Arrangement:
- Alternate
- Hairs Present:
- Yes
- Leaf Length:
- 3-6 inches
- Leaf Description:
- dark green leaves (to 5” long) with heart-shaped bases. The leaves can be quite variable, however, ranging from unlobed to deeply lobed and from rough-textured to glabrous on the upper surfaces. The upper surface is rough and under surface is full of soft hair.
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Bark:
- Bark Color:
- Dark Brown
- Red/Burgundy
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Stem:
- Stem Is Aromatic:
- No
- Stem Description:
- Milky sap
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Landscape:
- Landscape Location:
- Naturalized Area
- Landscape Theme:
- Edible Garden
- Attracts:
- Songbirds
- Resistance To Challenges:
- Deer
- Drought
