Illustration
Beverly Sills Reblooming Bearded Iris
Iris 'Beverly Sills'
Also called beverly sills iris and beverly sills
Beverly Sills Reblooming Bearded Iris blooms from May through June.
Months here are Northern Hemisphere months; in the Southern Hemisphere, shift them by six months.
Growing Beverly Sills Reblooming Bearded Iris
Plant it in full sun. It prefers moderate water. It is hardy in USDA zones 3–9. Expect it to reach about 3 ft tall and 1.5 ft wide at maturity, in roughly 2 years (a house reading).
Is Beverly Sills Reblooming Bearded Iris toxic to dogs or cats?
- Listed as toxic to dogs and cats by NC State Extension, Pet Poison Helpline and Royal Horticultural Society.
- Listed as poisonous to people by NC State Extension 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
Mature height and spread, hardiness zones, sun, water, bloom months and color and the trait tags were checked against named botanical sources for this plant, with what the sources could not settle written down; years to mature size rests on a recorded house rule where no publisher states one, and is marked so; its common name and alternate names have not been checked yet. 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 Beverly Sills Reblooming Bearded Iris
Plant Beverly Sills Reblooming Bearded Iris in early spring as soon as the soil is workable, or in early fall at least six weeks before your first frost, so roots establish in cool weather. In zone 6, the middle of its hardy zones 3 to 9, spring means March to May and fall means August or September. Once settled, it blooms from May to June.
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 March. Derived from the plant's category, zones and bloom months plus typical zone frost dates, not checked separately.
How big does Beverly Sills Reblooming Bearded Iris get?
3 fttall5 ft 7 inan adult1.5 ftwideSee Beverly Sills Reblooming Bearded Iris in a garden plan: the planner shows it in 3D beside everything else you add, growing toward this size over the years.
How far apart to plant Beverly Sills Reblooming Bearded Iris
Derived from the mature spread above by a fixed rule, not checked separately: spacing is the spread, center to center.
Space Beverly Sills Reblooming Bearded Iris about 1.5 ft apart, center to center, so each plant has room to reach its full width.
Add Beverly Sills Reblooming Bearded Iris to a garden plan and the planner draws it at its full width, so you see the spacing before you buy.
Where these facts come from
Beverly Sills Reblooming Bearded Iris' height, spread, hardiness zones, sun, water, bloom months and color, trait tags, soil, diseases, pests and toxicity were checked against 12 published sources on October 5, 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.
- Plant Addictsthe queue's storeheight, spread, hardiness zones, sun, bloom months and color, trait tags, soil and pests
- Gardenia.netheight, spread, hardiness zones, sun, water, soil, diseases and toxicity
- NC State ExtensionIris x germanica, SPECIES pagesun, water, trait tags, soil, diseases, pests and toxicity
- springhillnursery.comSpring Hill Nursery (Gardens Alive; Breck's prints the same spec copy)height, spread, hardiness zones, water, bloom months and color and trait tags
- hoffienursery.comHoffie Nursery (wholesale perennial grower, Union, Illinois)height, spread, hardiness zones, bloom months and color and trait tags
- Chicago Botanic GardenPlant Finderhardiness zones, sun, bloom months and color and trait tags
- wiki.irises.orgAmerican Iris Society, Iris Encyclopedia (registration record)height, bloom months and color, trait tags and soil
- Penn State ExtensionGerman Bearded Iris, SPECIES articlesun, trait tags, diseases and pests
- plants.studleys.comStudley's (NetPS Plant Finder record)height, spread, hardiness zones and water
- burpee.comBurpeeheight, spread and hardiness zones
- Holland Bulb Farmsheight and hardiness zones
- ASPCAIris, GENUS pagetoxicity
How the checking works, and what each standard covers, is on the verified plants page.
Good to know about Beverly Sills Reblooming Bearded Iris
Curated from university extensions, botanic gardens and other primary sources, with the source named on every note.
Safety
Toxic to dogs, cats and horses; the rhizome is the most toxic part. Eating it causes drooling, vomiting, diarrhea and lethargy. Sap can irritate skin. per ASPCA and NC State
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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.