Photo of Calceolaria arachnoidea flower by Far Reaches Farm

Photo by Far Reaches Farm

Used with permission, all rights reserved

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Calceolaria arachnoidea

Also Known As

  • Slipper Flower

Plant type

perennial

size

  • H: 4"
  • W: 12"

planting zones

  • 6b-11

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Calceolaria arachnoidea plant details

Calceolaria arachnoidea is a broadleaf evergreen perennial with blue foliage. In fall and summer black and purple flowers emerge. Grows well with sun and even moisture - regular water. Does well in rich and well-drained soil.

CHARACTERISTICS OF Calceolaria arachnoidea

Plant type: perennial
Plant family: calceolariaceae
Foliage: evergreen blue
Mature size: 12 IN wide, 4 IN tall
Flowers: black and purple blooms in fall and summer
Uses: border plant, container plant, easy-to-grow, rock garden, unique, velvety

GROWING CONDITIONS for Calceolaria arachnoidea

USDA Zones: 6b - 11
Sun exposure: sun
Watering frequency: even moisture - regular
Soil needs: rich and well-drained

Nursery contributed plant descriptions

Rhizomatous, tufted, perennial herb from Chilean Andes, to 12- 24" tall. Evergreen leaves are silvery, covered with white hairs, a great backdrop for the purple flowers, pouch-shaped with two lips, a small hooded upper lip and a larger lower lip, appearing from mid summer onward. Sun to part shade where drainage is excellent and roots can be kept cool and moist -- but not wet. Frost hardy in USDA zone 6.
Freaky flowers & fuzzy leaves make this Chilean perennial a total must-have. Plus, it’s easy to grow – it just needs regular water in average to rich soil & good light. Blooms first year from seed & is most stunning – the flowers can range in color, but are sometimes almost black, & are of course nicely contrasted with the white foliage, which is densely “webbed” & soft to the touch. The foliage grows 4” high by a foot or more wide, & is topped in Summer by heaps of half inch “pocketbook” flowers that are borne in clusters of 4 or more on 2’ stems. Cut back almost to the base after bloom, & side dress with compost. Stays evergreen (everwhite?) in winter.

By: Annie's Annuals & Perennials

Deep purple flowers.

Gardening facts about Calceolaria arachnoidea plant

How to Grow Calceolaria arachnoidea

  • Sun Exposure

    • sun
  • Water Needs

    • even moisture - regular
  • Soil Needs

    • well-drained
    • rich

Features

  • Foliage Color

    • blue
  • Flower Color

    • purple
    • black
  • Flower Season

    • summer
    • fall
  • Foliage Season

    • evergreen
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