Illustration
Easter Lily
Lilium longiflorum
Easter Lily blooms from June through July.
Months here are Northern Hemisphere months; in the Southern Hemisphere, shift them by six months.
Growing Easter Lily
Plant it in full sun. It prefers moderate water. It is hardy in USDA zones 5–8. Expect it to reach about 3 ft tall and 1 ft wide at maturity, in roughly 2 years (a house reading).
Is Easter Lily toxic to dogs or cats?
- Listed as toxic to dogs by University of Vermont Extension. Another source we check lists it as non-toxic; where sources disagree, the warning is shown.
- Listed as toxic to cats by NC State Extension, University of Vermont Extension, Pet Poison Helpline and Royal Horticultural Society.
Lists differ and none is complete. If a pet eats a plant and seems unwell, call a veterinarian or a pet poison helpline.
What was checked
Nine facts were checked against named botanical sources, each recorded beside the sources that carried it: mature height and spread, hardiness zones, sun, water, bloom months and color, the trait tags, and years to mature size, which rests on a recorded house rule where no publisher states one and is marked so. Soil, diseases, pests, toxicity and the plant's own names have not yet been read for this plant, and its trait tags are the ones a feature uses rather than every word a page prints. Each fact above carries its own mark. The planting, spacing and size sections are derived from these checked facts by a fixed rule, not checked separately, and the plant type is the library's own classification.
When to plant Easter Lily
Easter Lily is a hardy bulb with two planting windows: fall is ideal, and early spring is a close second. In zone 6, the middle of its hardy zones 5 to 8, that means September or October, or March or April in spring. It blooms from June to July.
Month-by-month timing for your zone is on the planting calendar; if you garden near zone 6, the middle of this plant's hardy range, start with zone 6 in September. Derived from the plant's category, zones and bloom months plus typical zone frost dates, not checked separately.
How big does Easter Lily get?
3 fttall5 ft 7 inan adult1 ftwideSee Easter Lily in a garden plan: the planner shows it in 3D beside everything else you add, growing toward this size over the years.
Where these facts come from
Easter Lily's height, spread, hardiness zones, sun, water, bloom months and color and trait tags were checked against 9 published sources on October 22, 2026. Each one is linked below with every fact it carried, which can include a fact this page still marks as not yet checked, because a source carrying a value is not the same as the value being held to the standard. Facts not in that list, and the planting, spacing and size sections, are not covered by these sources.
- Missouri Botanical Gardenheight, spread, hardiness zones, sun, water, bloom months and color and trait tags
- NC State ExtensionGardener Plant Toolboxheight, spread, hardiness zones, sun, water and trait tags
- University of Wisconsin HorticultureUniversity of Wisconsin-Madison Division of Extensionhardiness zones, sun, bloom months and color and trait tags
- Iowa State University Extensionand Outreachheight, sun and bloom months and color
- plantdatabase.kpu.caKwantlen Polytechnic University School of Horticultureheight, spread, sun and water
- holmquestfarms.comHolmquest Farmsheight, spread and hardiness zones
- Iowa State University Extensionand Outreachbloom months and color
- University of Illinois Extensionhardiness zones and water
- RHSRoyal Horticultural Societysun
How the checking works, and what each standard covers, is on the verified plants page.
Good to know about Easter Lily
Curated from university extensions, botanic gardens and other primary sources, with the source named on every note.
Safety
Every part is deadly to cats: a few bites, pollen licked from fur, or vase water can cause fatal kidney failure. In dogs it is listed as stomach upset only. per University of Vermont and Frontiers in Veterinary Science
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Design a garden with this
Drop this plant onto a 3D plan, see how it fills in, and watch your whole garden bloom across the year.