Hybrid

Kwanzan Cherry

Prunus serrulata 'Kwanzan'

The most popular ornamental cherry tree in America, Kwanzan produces an absolutely breathtaking display of double pink flowers that cover every branch in mid-spring. These fluffy, rose-like blossoms are so abundant they often completely obscure the branches, creating a spectacular pink cloud effect that stops traffic. The reliable spring show, combined with attractive bronze-green summer foliage and golden fall color, makes this the ultimate flowering tree for maximum impact.

Sun

Full sun to partial shade

☀️

Zones

5–8

USDA hardiness

🗺️

Height

15-25 feet

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Planting Timeline

Zone:

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Transplant

Showing dates for Kwanzan Cherry in USDA Zone 7

All Zone 7 ornamental-tree →

Zone Map

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Kwanzan Cherry · Zones 5–8

What grows well in Zone 7? →

Growing Details

Difficulty

Easy

Spacing25-30 feet

SoilWell-drained, fertile soil, adaptable to most soil types

pH6.0-7.5

Water1 inch per week, drought tolerant once established

SeasonSpring bloom, summer foliage, fall color

FlavorN/A

ColorDeep pink double flowers, bronze-green foliage

Size25-30 feet tall and wide at maturity

Zone-by-Zone Planting Calendar

Zone	Indoor Start	Transplant	Direct Sow	Harvest
Zone 5	—	May – July	—	—
Zone 6	—	May – July	—	—
Zone 7	—	May – June	—	—
Zone 8	—	April – June	—	—

Complete Growing Guide

Light: Full sun (6 or more hours of direct sunlight a day), Partial Shade (Direct sunlight only part of the day, 2-6 hours). Soil: Loam (Silt). Soil pH: Acid (<6.0), Alkaline (>8.0), Neutral (6.0-8.0). Drainage: Good Drainage, Moist. Height: 15 ft. 0 in. - 25 ft. 0 in.. Spread: 15 ft. 0 in. - 25 ft. 0 in.. Growth rate: Medium. Maintenance: Low. Regions: Coastal, Mountains, Piedmont.

Harvesting

The fruit is an inconspicuous, small, round, fleshy black drupe and appear in late summer.

Color: Black. Type: Drupe. Length: < 1 inch. Width: < 1 inch.

Harvest time: Summer

Storage & Preservation

Kwanzan Cherry trees don't produce edible fruit; storage isn't applicable. For ornamental enjoyment, plant in a permanent location. Fresh cut branches can be displayed indoors in water at room temperature (65-72°F) for 7-10 days. To extend display life, change water every 2-3 days and keep in indirect light. Preservation methods include: air-drying branches for dried arrangements, pressing individual blossoms between paper for preservation, or pressing flowers in books for flat preservation and crafting.

History & Origin

Origin: Japan, China, Korea

Advantages

+Attracts: Butterflies, Pollinators, Songbirds
+Low maintenance

Companion Plants

Kwanzan cherry's most practical companions are the ones planted in the 6–10 foot ring around the drip line, where you're trying to replace turf grass. Lawn grasses compete aggressively for surface moisture and — more critically — the equipment used to maintain them causes repeated bark damage at the base. Repeated nicks from string trimmers are a primary entry point for canker diseases. Swap that grass ring for low-growing perennials like catmint (Nepeta) or hostas and you eliminate the mowing pressure entirely while holding soil moisture better than bare mulch.

Daffodils and chives pull double duty here. Daffodils are toxic to deer, voles, and squirrels — none of which will dig through a naturalized daffodil planting to reach tree roots. Chives, along with marigolds (Tagetes spp.), put out root and foliar compounds that may deter aphids from settling in, though the effect is modest and shouldn't replace a real management plan if you get a heavy infestation.

Lavender and comfrey are worth including for different reasons. Lavender draws in parasitic wasps and hoverflies that prey on aphid colonies and scale crawlers. Comfrey sends roots down 6 feet or more, so it doesn't compete with the cherry's shallower feeder roots, and the leaves chop-and-drop into useful mulch. Black walnut (Juglans nigra) is a hard no — the juglone compounds it releases into the soil can stunt or kill Prunus species, and NC State Extension notes that sensitive plants within 50–60 feet of the trunk are at real risk.

Plant Together

Lavender

Repels aphids and other pests while attracting beneficial pollinators

Catmint

Deters aphids and Japanese beetles that commonly attack cherry trees

Chives

Repels aphids and provides natural pest control without competing for nutrients

Marigold

Controls nematodes in soil and deters various pests that damage cherry trees

Comfrey

Deep roots bring up nutrients and leaves provide mulch when composted

Nasturtium

Acts as trap crop for aphids and cucumber beetles, protecting the cherry tree

Daffodils

Deter rodents and provide early spring color without competing with tree roots

Hostas

Thrive in partial shade under cherry canopy and help suppress weeds

Keep Apart

Black Walnut

Produces juglone which is toxic to cherry trees and inhibits their growth

Tomatoes

Susceptible to same bacterial diseases and may compete for similar nutrients

Grass Turf

Competes heavily for water and nutrients, especially problematic for young trees

Pests & Disease Resistance

Resistance

Moderate susceptibility to common stone fruit diseases

Common Pests

Aphids, spider mites, scale insects, tent caterpillars

Diseases

Black knot, brown rot, leaf spot, canker

Troubleshooting Kwanzan Cherry

What you'll see, why it happens, and what to do about it.

Black, warty, elongated swellings forming on branches and twigs, often first appearing on younger wood

Likely Causes

Black knot disease (Apiosporina morbosa) — a fungal pathogen common on Prunus species, spreads via spores in wet spring weather
Infected pruning tools carrying spores from tree to tree

What to Do

1.Prune out affected branches at least 4 inches below the visible gall, cutting into clean wood
2.Sterilize pruning tools with 70% isopropyl alcohol between every cut
3.Dispose of removed material in the trash — not the compost pile, not left on the ground nearby

Leaves stippled with tiny yellow or bronze dots, sometimes with fine webbing on the undersides, most noticeable in hot, dry spells

Likely Causes

Two-spotted spider mites (Tetranychus urticae) — populations explode when temps stay above 85°F and humidity drops
Over-application of broad-spectrum insecticides that kills off natural predators like predatory mites

What to Do

1.Knock mites off with a strong spray of water from a hose, hitting the leaf undersides directly
2.Apply insecticidal soap or neem oil in the evening — two or three applications, 5–7 days apart
3.Avoid broad-spectrum sprays that wipe out Phytoseiidae predatory mites, which keep spider mite populations in check naturally

Tent-like silk structures forming in branch crotches in early spring, with clusters of caterpillars inside stripping nearby foliage

Likely Causes

Eastern tent caterpillar (Malacosoma americanum) — egg masses overwinter on the tree and hatch when temperatures warm consistently above 50°F

What to Do

1.Remove tents by hand early in the morning when caterpillars are clustered inside — drop them into soapy water
2.For persistent infestations, apply Bacillus thuringiensis var. kurstaki (Bt) to foliage while caterpillars are still small (under 1 inch)
3.Scrape off the shiny, varnished-looking egg bands from smaller branches in late winter before hatch

Frequently Asked Questions

How long do Kwanzan Cherry blossoms last each spring?▼

Kwanzan Cherry blossoms typically last 1-2 weeks depending on weather conditions. Cooler spring temperatures extend the bloom period, while warmer weather shortens it. Peak bloom occurs in mid-spring (April-May in most regions). The abundance of double flowers means continuous color throughout this window, creating an extended seasonal display compared to single-blossom varieties.

Is Kwanzan Cherry tree good for beginner gardeners?▼

Yes, Kwanzan Cherry is an excellent choice for beginners. It's rated as easy to grow and highly reliable, requiring minimal special care once established. It adapts to most soil types and doesn't demand particular soil amendments. Regular watering during establishment and basic pruning are the main requirements, making it forgiving for novice gardeners seeking a stunning ornamental impact.

Can you grow Kwanzan Cherry in containers?▼

Growing Kwanzan Cherry in large containers is possible but not ideal long-term. Young trees may thrive in 20+ gallon containers during their first few years, but they eventually need in-ground planting to reach full mature size and health. Container cultivation requires frequent watering, regular fertilizing, and eventual transplanting to the landscape for best results.

When should I plant a Kwanzan Cherry tree?▼

Plant Kwanzan Cherry in spring (after last frost) or fall (6-8 weeks before first frost) for best establishment. Fall planting allows root development before spring growth. Choose a full sun to partial shade location with well-drained soil. Water regularly the first year, then less frequently as the tree matures, ensuring deep watering to promote strong root systems.

What's the difference between Kwanzan and other ornamental cherry varieties?▼

Kwanzan stands out for its double pink blossoms that are exceptionally full and rose-like, completely obscuring branches. Most ornamental cherries have single flowers. Kwanzan is also more adaptable to various soils and more widely available. It's the most popular ornamental cherry in America, selected specifically for maximum spring impact and reliable performance across different growing regions.

Do Kwanzan Cherry trees need special pruning?▼

Kwanzan Cherry requires minimal pruning beyond removal of dead, diseased, or crossing branches. Prune immediately after flowering ends to avoid removing next year's flower buds. Young trees benefit from structural pruning to establish strong branch angles. Avoid heavy pruning once mature, as it reduces flowering. Unlike fruit cherries, Kwanzan doesn't need annual production-focused pruning.