Mount Everest Ornamental Onion

Mount Everest Ornamental Onion

Allium x 'Mount Everest'

This upright perennial bears fragrant white flowers in summer.

  • White flowers are produced in summer, providing colour through the bloom season.
  • Upright clump, reaching 1.25 m at maturity; divide every three to four years to maintain vigour.
  • Best in full sun to partial shade to full shade with well-drained soil.
Size
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Plant Characteristics

Sunlight
Full sun, Partial shade, Shade
Soil Moisture
Average, Well-drained
Drought Tolerant
✓
Hardiness Zone
4 – 4
Mature Height (meters)
1.0 – 1.25
Mature Spread (meters)
0.2 – 0.3
Growth Rate
Medium
Flower Colour
White
Foliage Colour
Green
Bloom Time
Summer
Habit
Upright
Deer Resistant
✓
Rabbit Resistant
✓
Pollinator Friendly
✓
Fragrant
✓
Landscape Uses
Border, Rock garden
Growing & Maintenance Tips
Allium grow best in a rich, fertile, well-drained soil. Leaves die back as flowers begin; don't cut back the foliage as it feeds the bulb for next year's flower. Once the flower is spent, remove the flower stalk and leave the foliage until it completely dies back. It then can be removed by gently pulling on the leaves. Do not over water and let the soil dry out between waterings.
Notes
Also referred to as Flowering Onion.

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