🌸 Ellen Bosanquet Crinum

Crinum ‘Ellen Bosanquet’
The classic southern passalong: deep wine-red trumpets, spicy fragrance, and a clump that outlives trends.
Sun
Full sun to part shade
Days to harvest
Blooms late spring through summer once established; first flowers usually the season after planting
Spacing
24-36 inches apart
Soil pH
6.0-7.0
Zones
Zones 8-10

What it looks like

Ellen Bosanquet Crinum (Crinum 'Ellen Bosanquet') — Crinum americanum, the native swamp lily, in an old botanical illustration (public domain).
Crinum americanum, the native swamp lily, in an old botanical illustration (public domain).
Ellen Bosanquet Crinum (Crinum 'Ellen Bosanquet') — Crinum asiaticum, the giant crinum, in bloom. Photo: Izziekins, CC BY-SA 4.0.
Crinum asiaticum, the giant crinum, in bloom. Photo: Izziekins, CC BY-SA 4.0.
Ellen Bosanquet Crinum (Crinum 'Ellen Bosanquet') — Crinum x powellii in a garden bed. Photo: Acabashi, CC BY-SA 4.0.
Crinum x powellii in a garden bed. Photo: Acabashi, CC BY-SA 4.0.

Why this variety

Ellen Bosanquet is the crinum against which other crinums are measured. Bred in Florida in the 1910s-1920s and passed from garden to garden ever since, it carries large, trumpet-shaped flowers in deep rose to wine-red, with a spicy fragrance that carries across a yard on a summer evening. It is, by most counts, the most widely grown crinum cultivar in the world — not because it is new, but because it has never stopped working.

What makes it special in a Florida garden is staying power. Ellen Bosanquet forms a bold clump of strap leaves, blooms in flushes from late spring through summer, and shrugs off heat, humidity, and neglect that would finish fussier bulbs. It is also a genuine heritage plant: the bulbs in old gardens are often divisions of divisions, handed along for decades. If you are new to choosing between cultivars, the Varieties Matter guide explains why the name after the plant matters as much as the plant itself.

Florida honesty: Ellen Bosanquet is at home across Florida, evergreen where winters are mild and root-hardy where they are not. Give it full sun to part shade, rich moist soil that drains, and room to become a clump — then resist the urge to divide it often, because crinums bloom best when they are left gloriously crowded.

How to grow

Plant crinum bulbs deep — the neck just at or slightly below the surface, unlike amaryllis — in rich, moist, well-drained soil, and then mostly leave them alone. Crinums are famously long-lived passalong plants: they resent moving, sulk for a season after division, and then outlive the gardener who planted them. Give each bulb 24-36 inches of room, work worm castings into the planting hole, and mulch to hold moisture. Established clumps need little beyond water in dry spells and a yearly feeding.

Water & feeding

Water regularly while leaves are growing and flowers are coming; crinums tolerate drought once established but bloom best with steady moisture. In Florida, summer rain usually covers it — the danger is not drought but a bulb sitting in a spot that stays soggy in winter, which invites rot. Feed with castings in spring and again after the main bloom flush, and let the strap-like leaves stand all year where they stay green.

Common problems

  • Bulb rot in soggy winter soil — plant where water drains, never in a hollow that ponds.
  • Slow start after transplanting — crinums sulk a season after moving; do not dig them up again to check, they are busy below ground.
  • No bloom on a young or recently divided plant — crinums bloom best when crowded and undisturbed; patience is the fertilizer here.
  • Leaf scorch in harsh afternoon sun — afternoon shade in the hottest gardens keeps the strap leaves green instead of bleached.

Harvest

There is no harvest to pick: the reward is the bloom itself. Deadhead spent flower stalks to the base to keep the clump tidy, but leave all the leaves standing — they feed the bulb for next year’s flowers. Divide only when a clump is truly overcrowded, and expect a season of sulking before it blooms its best again.

Nerdy fact: Ellen Bosanquet’s parentage was never publicly revealed by its breeder — the cross that became the world’s most popular crinum is, fittingly, a family secret.

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Saving seeds

Ellen Bosanquet is a heritage crinum passed from garden to garden as divisions, and crinums are propagated from bulb offsets — seedlings won’t hold its deep rose trumpets. The Propagation section of the Crinum guide covers the route.