Illustration
Appalachian Red
Cercis canadensis 'Appalachian Red'
Appalachian Red blooms from April through April.
Months here are Northern Hemisphere months; in the Southern Hemisphere, shift them by six months.
Growing Appalachian Red
Plant it in part sun. It prefers moderate water. It is hardy in USDA zones 5–9. Expect it to reach about 16 ft tall and 16 ft wide at maturity, in roughly 10 years (a house reading).
No toxicity note is on file for Appalachian Red. That is not a clearance: check its safety for people and pets before planting.
What was checked
Fifteen fields were checked against named botanical sources, each recorded beside the sources that carried it, with every unsettled point written down and decided: mature height and spread, hardiness zones, sun, water, bloom months and color, the trait tags, soil, diseases, pests, toxicity, the plant's own names, and years to mature size, which rests on a recorded house rule where no publisher states one and is marked so. 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 Appalachian Red
Plant Appalachian Red 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 7, the middle of its hardy zones 5 to 9, spring means March to May and fall means September or October. Once settled, it blooms in April.
Month-by-month timing for your zone is on the planting calendar; if you garden near zone 7, the middle of this plant's hardy range, start with zone 7 in March. Derived from the plant's category, zones and bloom months plus typical zone frost dates, not checked separately.
How big does Appalachian Red get?
16 fttall5 ft 7 inan adult16 ftwideSee Appalachian Red 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 Appalachian Red
Derived from the mature spread above by a fixed rule, not checked separately: spacing is the spread, center to center.
Give Appalachian Red about 16 ft of clear ground in every direction, measured from its center. It is one plant with room around it, not a row, and a raised bed is too small for it.
Add Appalachian Red 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
Appalachian Red's height, spread, hardiness zones, sun, water, bloom months and color, trait tags, soil, diseases, pests and toxicity were checked against 23 published sources on August 24, 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 GardenPlant Finderheight, spread, hardiness zones, sun, water, bloom months and color, trait tags, soil, diseases and pests
- Purdue ArboretumPurdue University Arboretum Explorerheight, spread, hardiness zones, sun, water, bloom months and color, trait tags, soil and diseases
- The Morton Arboretumheight, spread, hardiness zones, sun, water, bloom months and color, trait tags, soil and diseases
- NC State ExtensionPlant Toolboxhardiness zones, water, bloom months and color, trait tags, soil, diseases, pests and toxicity
- plumlinenursery.comPlumline Nurseryheight, spread, hardiness zones, sun, water, bloom months and color, soil and pests
- kuenziturfnursery.comKuenzi Turf and Nurseryheight, spread, hardiness zones, water, bloom months and color, soil and diseases
- bhfnursery.comBlue Heron Farm Nurseryheight, spread, hardiness zones, sun, bloom months and color and soil
- bowerandbranch.comBower and Branchheight, hardiness zones, bloom months and color, diseases and toxicity
- bygl.osu.eduOhio State University Extension, Buckeye Yard and Garden Linesun, water, bloom months and color and diseases
- Chicago Botanic GardenPlant Finderhardiness zones, sun, water and bloom months and color
- civicgardencenter.orgCivic Garden Center of Greater Cincinnatisun, bloom months and color, soil and pests
- jfschmidt.comJ. Frank Schmidt and Son Co.height, spread, hardiness zones and bloom months and color
- Lady Bird Johnson Wildflower CenterNative Plant Databasesun, bloom months and color, soil and pests
- usna.usda.govUS National Arboretum, Cercis International Cultivar Registration Auth...height, spread and bloom months and color
- shadetreefarm.comShade Tree Farmheight and bloom months and color
- University of Wisconsin HorticultureUniversity of Wisconsin-Madison Division of Extension, Wisconsin Horti...hardiness zones and bloom months and color
- Utah State University ExtensionVarga Arboretumhardiness zones, sun and water
- newblooms.comNew Blooms Nurseryheight and spread
- scottarboretum.orgScott Arboretum of Swarthmore Collegebloom months and color
- trees.umn.eduUniversity of Minnesota, The UFOR Nursery and Labhardiness zones and sun
- Lady Bird Johnson Wildflower CenterMr. Smarty Plantstoxicity
- Missouri Botanical GardenCercis canadensis, the species recordhardiness zones
- Purdue Arboretumspecies record, same voice as the cultivar recordwater
How the checking works, and what each standard covers, is on the verified plants page.
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Drop this plant onto a 3D plan, see how it fills in, and watch your whole garden bloom across the year.