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Amaryllidaceae FAMILY

Zephyranthes atamasca

Zephyranthes atamasca

Edibility
1/5
Medicinal
0/5

Safety & Hazards

The bulb contains toxic compounds[1]. Horses are said to get the staggers (a cerebrospinal disease) from eating the leaves and bulbs[2].

Cultivation Details

HabitBulb
Growth—

Requires a position in full sun when grown outdoors in Britain and a well-drained moisture retentive soil[3, 4, 5]. It strongly dislikes excessive wet, especially in the winter[5]. Plants require a definite dry resting period in late summer, if they receive water at this time they are excited into growth and can then be killed in cold weather[6]. A very ornamental plant[3], it is hardy to about -5°c and can succeed outdoors in the milder areas of Britain[5]. However, because it is in growth during the winter, it is generally best grown in a cold greenhouse or special bulb frame[PFAF]. Bulbs should be planted about 10cm deep[5].

Propagation

Seed - sow spring in a greenhouse. Sow the seed thinly so that the seedlings can be left undisturbed in the pot for their first year of growth. Give them an occasional liquid feed in the growing season to ensure they do not become nutrient deficient. When the plants become dormant in the summer, pot up the small bulbs placing 2 - 3 bulbs in each pot. Grow them on for another one or two years in the greenhouse before planting them out when they are dormant in late summer. Division of offsets after the plant dies down in late spring or early summer. Larger bulbs can be planted out direct into their permanent positions whilst it is best to pot up the smaller bulbs and grow them on in the greenhouse for a year before planting them out. Cite as: Temperate Plants Database, Ken Fern. temperate.theferns.info. 2026-02-21. <temperate.theferns.info/plant/Zephyranthes+atamasca>

Pollinators

Insects

References

  1. [1]A Field Guide to N. American Edible Wild Plants. — Elias. T. and Dykeman. P. · Van Nostrand Reinhold · 1982 · ISBN 0442222009 ↩︎Very readable.
  2. [2]The History and Folklore of North American Wild Flowers. — Coffey. T. · Facts on File. · 1993 · ISBN 0-8160-2624-6 ↩︎A nice read, lots of information on plant uses.
  3. [3]RHS Dictionary of Plants plus Supplement. 1956 — F. Chittendon. · Oxford University Press · 1951 · ISBN - ↩︎Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaced in 1992 by a new dictionary (see [ 200 ]).
  4. [4]Hardy Bulbs.; Including Half-hardy Bulbs and Tuberous and Fiberous-rooted Plants — Grey. C. H. · Williams & Norgate. · 1938 · ISBN - ↩︎Rather dated now, but an immense work on bulbs for temperate zones and how to grow them. Three large volumes.
  5. [5]The New RHS Dictionary of Gardening. 1992. — Huxley. A. · MacMillan Press · 1992 · ISBN 0-333-47494-5 ↩︎Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
  6. [6]The Plantsman. Vol. 2. 1980 - 1981. — ? · Royal Horticultural Society · 1980 · ISBN - ↩︎Excerpts from the periodical giving cultivation details and other notes on some of the useful plants including Billardiera spp, Calochortus spp, Drimys spp.
  7. [7]Flora of N. America — http://flora.huh.harvard.edu/fna/ ↩︎An on-line version of the flora with an excellent description of the plant including a brief mention of plant uses.
  8. [8]Sturtevant's Edible Plants of the World. — Hedrick. U. P. · Dover Publications · 1972 · ISBN 0-486-20459-6 ↩︎Lots of entries, quite a lot of information in most entries and references.
  9. [9]Alternative Foods. — Sholto-Douglas. J. ↩︎Not very comprehensive, it seems more or less like a copy of earlier writings with little added.
  10. [10]Dictionary of Economic Plants. — Uphof. J. C. Th. · Weinheim · 1959 · ISBN - ↩︎An excellent and very comprehensive guide but it only gives very short descriptions of the uses without any details of how to utilize the plants. Not for the casual reader.
  11. [11]A Dictionary of Plants Used by Man. — Usher. G. · Constable · 1974 · ISBN 0094579202 ↩︎Forget the sexist title, this is one of the best books on the subject. Lists a very extensive range of useful plants from around the world with very brief details of the uses. Not for the casual reader.
  12. [12]Food Plants of the N. American Indians. — Yanovsky. E. · U.S. Depf of Agriculture. · ISBN - ↩︎A comprehensive but very terse guide. Not for the casual reader.
  13. [13]An Illustrated Flora of the Northern United States and Canada — Britton. N. L. Brown. A. · Dover Publications. New York. · 1970 · ISBN 0-486-22642-5 ↩︎Reprint of a 1913 Flora, but still a very useful book.
  14. [PFAF]Plants for a Future — pfaf.org ↩︎