• Overview
    Light Needs:
    Partial to full sun
    Watering Needs:
    Needs regular watering - weekly, or more often in extreme heat.
    Average Landscape Size:
    Upright, vase-shaped habit reaches 4 to 5 ft. tall and wide.
    Key Feature:
    Produces a Double Crop
    Blooms:
    Spring, and again in summer, producing two crops of fruit.
    Landscape Uses:
  • Detail
    Botanical Pronunciation:vak-SIN-ee-um kor-rim-BOW-sum times an-gus-tee-FOH-lee-um
    Plant type:Shrub
    Deciduous/evergreen:Evergreen
    Growth habit:Compact
    Growth rate:Moderate
    Average landscape size:Upright, vase-shaped habit reaches 4 to 5 ft. tall and wide.
    Foliage color:Dark Green
    Blooms:Spring, and again in summer, producing two crops of fruit.
    Flower color:White
    Patent Act:Asexual reproduction of plants protected by the Plant Patent Act is prohibited during the life of the patent.
    Companion PlantsStrawberry (Fragaria); Raspberry (Rubus); Hydrangea (Hydrangea); Mountain Laurel (Kalmia); Bayberry (Myrica)
  • Care
    Care Information
    Provide acidic, well-drained soil. In extremely hot, arid summer areas, shelter from harsh, reflected afternoon sun. Feed in early spring with an acid fertilizer (Rhododendron & Azalea blends are perfect). Recommended winter chill: 1,000 hours. Annual pruning to remove dead or non-fruiting wood promotes growth and berry production.
    Light Needs:
    <strong>Partial Sun / Partial Shade</strong>: These two terms are often used interchangeably to mean 3-6 (or 4-6) hours of sunlight each day. However, there is a difference.
<strong>Partial shade</strong> typically means the plants will appreciate a more gentle exposure such as the weaker morning or early afternoon sun, with the emphasis on providing the minimum needed shade and sheltering from intense late afternoon sun. <strong>Partial sun</strong> typically means the plants <u>need</u> some direct sun, so the emphasis is on meeting the required minimum hours of sunlight, with filtered sunlight or shade the balance of the day.
Both are best with shelter from the harshest late afternoon sun. This shade could be provided by a structure, a wall, larger plants or  tree(s).
    Partial to full sun
    Watering Needs:
    Water needs: Moderate
    Needs regular watering - weekly, or more often in extreme heat.
  • History & Lore
    History:
    Perpetua was developed by Chad Finn at the USDA-ARS in collaboration with Oregon State University. Discovered in Corvallis, Oregon, originating from open pollinated seed of CVAC 45 (PI 296412) in the USDA-ARS National Clonal Germplasm Repository. CVAC 45 was collected from the wild in 1963 in Monmouth, Me., listed as Vaccinium corymbosum L. (highbush blueberry) by the USDA-ARS GRIN database. Because this parent plant's characteristics are intermediate to those of V. corymbosum and V. angustifolium Aiton (lowbush blueberry, and both species are found in the region where the accession was collected, CVAC 45 is presumed to be a hybrid between the two species. Perpetua is unique in that it produces flower buds that break without winter dormancy, then flowers again to produce a a late-season crop. While many blueberries will produce a few fruit in the fall at the tips of new growth, 'Perpetua' will produce on 12-16 nodes of new growth.

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