Flower · Growing guide

Bomb-form Peony

Paeonia hybrids · Paeoniaceae family

Bomb-form Peony is an upright flower grown for ornamental display, cut flowers, and pollinator planting. Use this guide to match its light, water, soil, space, seasonal care, and safety needs.

Guide status Exact ranges are a catalog starting point. Check the plant label, cultivar, region, and linked sources before planting.

Botanical field illustration of Bomb-form Peony
Identity-specific botanical field illustration
Reliable light
Full sun
Water pattern
Moderate
Mature size
49 × 42 in
Final spacing
42 in
Season
perennial

Plant identity, types & settings

One plant guide. Clear details underneath.

Bomb-form Peony is a recognized horticultural group represented botanically as Paeonia hybrids. It is one plant-group guide—not a different cultivar for each garden setting.

Ways to grow it

These are garden or production settings—not cultivar names and not extra plants.

Growing context

Garden Specimen

Reserve a permanent, well-drained crown area.

Mature size
49 × 42 in
Spacing
42 in
Container
10+ gal · 22+ in deep
Use this setup in the planner →
Growing context

Large Container

Use winter protection appropriate to the root system and climate.

Mature size
40 × 33 in
Spacing
27 in
Container
8+ gal · 22+ in deep
Use this setup in the planner →
Growing context

Supported Cut Flower

Install support early and preserve long stems for harvest.

Mature size
54 × 38 in
Spacing
35 in
Container
11+ gal · 22+ in deep
Use this setup in the planner →

01 · Light & site

Give it the light its growth depends on.

Full sun, with roughly 6 to 8 hours of useful light. Perennial timing, dormancy, and winter survival are climate- and cultivar-specific.

02 · Water & soil

Keep roots supplied without trapping water.

Water deeply when the active root zone begins to dry.

Soil
Loose, organic, species-appropriate garden soil
Drainage
Well drained
pH
Species-specific; verify the grower label and linked guidance

03 · Spacing & roots

Make room for the mature plant.

Space plants about 42 inches apart. Expect a mature plant around 49 inches tall by 42 inches wide.

fleshy perennial crown; planting-eye depth controls flowering. Container figures are a planning floor, not a claim that long-term container culture is ideal.

04 · Start

Begin with the method that protects establishment.

Use the species-appropriate bulb, tuber, division, cutting, transplant, or direct-sowing method and minimize root disturbance.

05 · Care

Support healthy growth through the season.

Peony ring before heavy buds open. Put it in place early, before stems, canes, vines, or fruit load make access difficult.

Upkeep
High
Feeding
Moderate
Watch for
Species-specific insects, Crowding-related disease, Moisture stress

06 · Flower or harvest

Flowering and seasonal interest

365–800 days to the first expected harvest, bloom, or established display; perennials may need additional seasons to settle. Flowering shifts with planting date, temperature, day length, and cultivar. Deadhead or cut blooms when that practice suits the plant and your goal.

07 · Safety

Know the cautions before you place or use it.

Toxic to pets
  • Plant parts can cause gastrointestinal illness if ingested by people or pets.
  • Keep this plant away from pets and contact a veterinarian or poison-control service after suspected exposure.

08 · Sources

Check the evidence behind the guide.

Royal Horticultural Society: plant registrationInternational cultivar registration authorities and accepted cultivated-plant group nomenclatureOpen source ↗North Carolina Extension Gardener Plant ToolboxPlant identity, form, landscape use, poisonous-plant cautions, and right-plant/right-place contextOpen source ↗

Guide record: Editorial review pending; generated 2026-08-10. Region, cultivar, regulations, and current product labels can change the right decision.

Working checklist

Bomb-form Peony planting check