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Permaculture Plants: Groundcover Raspberry




  • Groundcover Raspberries (like this Rubus pentalobus) are great additions to any garden.

    Common Name: Groundcover Raspberries
    Scientific Name:

    • Rubus nepalensis (Nepalese Raspberries)
    • Rubus pentalobus/rolfei/calycinoides (Creeping Bramble)
    • Rubus tricolor (Chinese Bramble/Groundcover Raspberry)

    Family: Rosaceae (Rose Family)


    Groundcover Raspberries are not as large, but just as flavorful, as their full-sized relatives.


    Groundcover Raspberries are low-growing and evergreen.
    Description:

    I consider any of the low-growing, shade tolerant Rubus species to be Groundcover Raspberries. They come from around the world, and they all produce raspberry-like fruit. They tolerate light to medium foot traffic well. They are great nectar plants for beneficial insects, especially honeybees. These plants are growing quickly in popularity as more and more people hear about them, and they will be a major groundcover species in my Forest Garden.

    There are a variety of fruit colors with Groundcover Raspberries, Rubus pentalobus are orange.

    There are a variety of flower designs depending on the species.

    USING THIS PLANT
    Primary Uses:

    • Fresh eating – just like small raspberries
    • Preserves (jams, jellies)


    Secondary Uses:

    • Groundcover
    • General insect (especially bees) nectar plant
    • Wildlife food, especially birds, in Summer
    • Leaves make a mild tea
    • Frozen fresh
    • Dehydrated


    Yields are not high, but any food production from a ground cover plant is great!

    Yield: This is a ground cover plant which means that many individual plants are used in a single planting area, and as such there are no good yield numbers recorded; however, yields are not very high.
    Harvesting: Summer (July-September)
    Storage: Use fresh. Can be frozen (individually on a cookie sheet is best, then stored in a freeze bag). Can be dehydrated. Use within a few days at most.

    Great use of Rubus pentalobus around structures in a garden.
    DESIGNING WITH THIS PLANT

    USDA Hardiness Zone: 6-7
    AHS Heat Zone: None recorded
    Chill Requirement: None recorded, but likely produces better with some chilling.

    Plant Type: Small Perennial Shrub
    Leaf Type: Evergreen
    Forest Garden Use: Groundcover
    Cultivars/Varieties: A number of species and varieties available

    Pollination: Some are Self-Pollinating/Self-Fertile but most will only produce with cross-pollination from another or similar plans
    Flowering: June-August depending on the species and latitude

    Life Span:
    Years to Begin Bearing: 1-2 years
    Years to Maximum Bearing: 2-3 years
    Years of Useful Life: 6-10 years

    There are many closely related Groundcover Raspberry species that can only be found locally.
    This is Rubus lasiococcus native to the Pacific Northwest.

    PHYSICAL CHARACTERISTICS OF THIS PLANT
    Size:

    • Rubus nepalensis (Nepalese Raspberries) – 1 foot (0.3 meter) high and widely spreading
    • Rubus pentalobus/rolfei/calycinoides (Creeping Bramble) – 4 inches (0.1 meter) high and widely spreading
    • Rubus tricolor (Chinese Bramble/Groundcover Raspberry) – 2 feet (0.6 meter) tall and widely spreading


    Roots: Shallow and flat, suckering roots – widely spreading
    Growth Rate: Medium to Fast


    Stems can root which makes propagation rather easy.

    GROWING CONDITIONS FOR THIS PLANT
    Light: Prefers full sun to light shade
    Shade: Tolerates light to full shade
    Moisture: Medium (Rubus tricolor Chinese Bramble, is quite drought tolerant, but it yields less)
    pH: most species prefer fairly neutral soil (6.1 – 7.0), but can handle a wide variety

    Special Considerations for Growing:
    These are rather vigorous plants. They tolerate light to medium foot traffic. Some areas can become weedy, so it makes sense to grow other goundcover plants with groundcover raspberries (Mint is a great choice).
    Rubus pentalobus/rolfei/calycinoides (Creeping Bramble) – space plantings 1-3 feet apart
    Rubus tricolor (Chinese Bramble/Groundcover Raspberry) – space plantings 3-5 feet apart

    Propagation:
    Usually by detaching rooting stems… meaning that as taller stems grow up tall, they will eventually bend over and touch the ground. When this happens, these stems will take root. The bent over stem can be cut when roots have formed, and another individual plant is ready to replant to another location. These plants can be easily layered into pots by pinning taller stems into a small pot of soil.
    Plants can propagate through seeds, but need some cold stratification.

    Maintenance:
    Minimal.  Occasional weeding may be necessary. May need to cut back, or mow back, when it grows into areas that we don’t want it to grow… this is not a matter of if, but when.

    Concerns:
    May be slowly and locally invasive if not kept in check… regular mowing on paths works quite well.

    Original Article Here

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