Photo of Polianthes tuberosa flower by Old House Gardens

Photo by Old House Gardens

Used with permission, all rights reserved

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Polianthes tuberosa

Also Known As

  • Polianthes tuberosa 'Mexican Single'
  • Polianthes tuberosa 'Single'
  • Mexican Single tuberose
  • Rajanigandha
  • Sedap Malam
  • Single Polianthes Tuberosa

Plant type

perennial, bulb / corm / tuber

size

  • H: 18"-48"
  • W: 3"-6"

planting zones

  • 7a-10b

More Options

Polianthes tuberosa plant details

Polianthes tuberosa is a broadleaf deciduous perennial bulb / corm / tuber with green foliage. In fall, spring and summer white flowers emerge. Features glossy texture. Grows well with sun - mostly shade and even moisture - regular water. Drought tolerant once established. Prefers to be dry in winter. Does well in average, gritty and well-drained soil. A good option if you're seeking something verticillium wilt resistant.

CHARACTERISTICS OF Polianthes tuberosa

Plant type: perennial bulb / corm / tuber
Plant family: amaryllidaceae
Foliage: deciduous green
Mature size: 3 IN - 6 IN - wide, 18 IN - 48 IN - tall
Flowers: white blooms in fall, spring and summer
Uses: container plant, fragrant

GROWING CONDITIONS for Polianthes tuberosa

USDA Zones: 7a - 10b
Sun exposure: sun - mostly shade
Watering frequency: even moisture - regular
Resistant to: verticillium wilt
Soil needs: average, gritty and well-drained

Nursery contributed plant descriptions

The heavenly fragrance of tuberoses is as big a pleasure in August as ice cream. Their simple white flowers are clustered on 3-4 foot stalks above short, daylily-like foliage. Most gardeners grow them in pots (always best in the North) or dig and store in fall (we'll send easy directions), but they're perennial in zones 8-11. We love them so much we named them our Spring 2004 Heirloom Bulb of the Year. Our big, fat, sure-to-bloom bulbs come from an Illinois family farm where they've been grown since the 1930s.
These Mexican natives are a wonderful addition to any summer garden. They grow best with warmth and heat. Winter hardy in zone 7+. Their fragrance is famous for perfumes. They make a wonderful, long lasting cut flower! Blooming Size 8+ cm around Bulbs

Gardening facts about Polianthes tuberosa plant

How to Grow Polianthes tuberosa

  • Sun Exposure

    • sun - mostly shade
  • Water Needs

    • even moisture - drought tolerant
  • Water Needs

    • dry in winter
  • Soil Needs

    • average
    • well-drained
    • gritty
  • Special Situation

    • verticillium wilt resistant

Features

  • Foliage Color

    • green
  • Flower Color

    • white
  • Flower Season

    • spring
    • summer
    • fall
  • Foliage Season

    • deciduous
  • Texture

    • glossy
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