Photo of Asperula orientalis flower by Karl Gercens III

Photo by Karl Gercens III

Used with permission, all rights reserved

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Asperula orientalis

Also Known As

  • Blue Woodruff

Plant type

annual / biennial

size

  • H: 6"-12"
  • W: 9"-12"

planting zones

  • 1-11

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Asperula orientalis plant details

Asperula orientalis is a broadleaf deciduous annual / biennial with green foliage. In spring and summer blue flowers emerge. Attracts bees, butterflies and hummingbirds making it an excellent addition to pollinator gardens. Grows well with sun - dappled shade and even moisture - regular water. Does well in average, rich and well-drained soil.

CHARACTERISTICS OF Asperula orientalis

Plant type: annual / biennial
Plant family: rubiaceae
Foliage: deciduous green
Mature size: 9 IN - 12 IN - wide, 6 IN - 12 IN - tall
Flowers: blue blooms in spring and summer
Uses: container plant, cottage garden, fragrant, heirloom, self-sowing

GROWING CONDITIONS for Asperula orientalis

USDA Zones: 1 - 11
Sun exposure: sun - dappled shade
Watering frequency: even moisture - regular
Soil needs: average, rich and well-drained

Nursery contributed plant descriptions

An annual relative of sweet woodruff, this freely blooming plant is a treasure. Lavender flowers, like clusters of tiny trumpets, bloom all summer long with little care. The narrow, light green leaves are whorled about the stems and the plant mounds gracefully. Described in 1935 by Hottes in The Book of Annuals. Self sows.
These date from a 1999 Archibald collection this has kicked around the nursery for quite a while and we finally managed to propagate some.
Did you know there was a blue “Woodruff”? It’s an easily grown and most attractive annual with slender, branched stems freely producing clusters of strongly, yet delicately fragrant, sky-blue flowers. Woodruff does well in light shade and prefers a moist spot. Or try it in a pot. Wonderful in bouquets!

Gardening facts about Asperula orientalis plant

How to Grow Asperula orientalis

  • Sun Exposure

    • sun - dappled shade
  • Water Needs

    • even moisture - regular
  • Soil Needs

    • average
    • well-drained
    • rich

Features

  • Foliage Color

    • green
  • Flower Color

    • blue
  • Wildlife

    • bees
    • butterflies
    • hummingbirds
  • Flower Season

    • summer
    • spring
  • Foliage Season

    • deciduous
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