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Twinberry

Lonicera involucrata
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Lonicera involucrata (Twinberry) — botanical photograph
Pl. 4EA7 — Lonicera involucrata
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I

Overview

Twinberry (Lonicera involucrata) is a deciduous shrub native to regions including Alaska, Alberta, Arizona, British Columbia, California, Colorado, Idaho, Manitoba, Mexico Northeast, Mexico Northwest, Michigan, Montana, Nevada, New Mexico, Nunavut, Ontario, Oregon, Québec, Saskatchewan, Utah, Washington, Wisconsin, and Wyoming. Thriving in moist environments with light to medium soil types that can include heavy clay, twinberry prefers full sun and grows up to 1.2 meters tall. Hardy from zones 4-8, this plant is known for its edible fruit, which are often enjoyed by both wildlife and humans. The distinctive feature of twinberry is the presence of two leafy bracts that encase the flower clusters, giving it a unique appearance. Its white flowers add ornamental value to landscapes. Twinberry can be propagated from seeds or cuttings and thrives in soil with a pH range between 5.5 and 8. The fruit ripens well within its native range, making it a valuable resource for both wildlife and human consumption. This shrub is particularly useful as a natural dye source and has been used historically for hair care applications. Its presence in various regions of North America contributes to the local ecosystem by providing food for birds and other wildlife. While twinberry is not typically considered medicinal, its edible fruit can be enjoyed fresh or dried for later use. It is important to handle this plant with caution if you are unsure about its safety, as some parts may contain compounds that could cause irritation or allergic reactions.

Quick answers

What is Twinberry?

Twinberry (Lonicera involucrata) is a deciduous shrub native to regions including Alaska, Alberta, Arizona, British Columbia, California, Colorado, Idaho, Manitoba, Mexico Northeast, Mexico Northwest, Michigan, Montana, Nevada, New Mexico, Nunavut, Ontario, Oregon, Québec, Saskat

Growingconditions · propagation · uses
V

Cultivation

Twinberry thrives in full sun and prefers moist, well-drained soils that are light (sandy), medium, or heavy (clay). It is hardy in zones 4-8 and grows to a height of about 1.2 meters as a shrub. For propagation, twinberry can be grown from seeds or cuttings. The fruit, which is edible, ripens well in the native range of Alaska, Alberta, Arizona, British Columbia, California, Colorado, Idaho, and Manitoba. Ensure the soil pH ranges between 5.5 and 8 for optimal growth.
Light
Full sun
Water
Moist
Soil
Light (sandy), Medium, Heavy (clay)
Hardiness
4-8
Habit
Shrub
Mature size
1.2 m tall
Soil pH
5.5–8
For first-time growers

How to grow Twinberry for the first time

8steps

Start with a simple, low-maintenance shrub that thrives in various conditions.

  1. 1

    What you'll need

    Twinberry plants or seeds, garden gloves, pruning shears.

  2. 2

    Best time to plant

    Plant Twinberry in early spring or late fall when the soil is moist and cool.

  3. 3

    Soil and container prep

    Ensure the soil drains well; amend with compost if necessary. For containers, use a mix of light, medium, and heavy soils.

  4. 4

    Sowing or transplanting

    Transplant young plants from a nursery or sow seeds directly in the ground after danger of frost has passed.

  5. 5

    First two weeks

    Water regularly to keep soil moist. Monitor for pests and diseases, treating if necessary.

  6. 6

    Ongoing care

    Provide full sun exposure; prune annually to maintain shape and remove dead branches.

  7. 7

    Harvest or pruning

    Prune in late winter before new growth begins to encourage healthy fruiting. Remove any weak or diseased branches.

  8. 8

    Common mistakes

    Overwatering, planting in heavy clay soil without amending, neglecting regular pruning, and not providing enough sunlight.

VI

Edible & utility

Edible parts:Fruit
Edible uses: The twinberry's fruit is edible and can be eaten raw or used in various preparations. Typically, the berries are enjoyed fresh but may also be dried for later use. Skip
Other uses:DisinfectantDyeHair
Contextrange · companions · related
VII

Distribution

23 native · 0 introduced
Distribution across1 continent· 23 native
Americas1 region
native (1)United States
Broader regions
native:Alberta, Arizona, British Columbia, California, Colorado, Idaho, Manitoba, Mexico Northeast, Mexico Northwest, Michigan, Montana, Nevada, New Mexico, Nunavut, Ontario, Oregon, Québec, Saskatchewan, Utah, Washington, Wisconsin, Wyoming
IX

Specimen gallery

1 image
Lonicera involucrata (Twinberry) — botanical photograph
Twinberry (Lonicera involucrata)
XI

Explore further

Companion planting
Growing zone
XII

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