Heirloom

Celway™ White

Celosia argentea spicata

Celway™ White (Celosia argentea spicata)

Photo: Alvesgaspar · Wikimedia Commons · (CC BY-SA 4.0)

Celway® White is an heirloom ornamental flower variety that matures in 90-100 days under full sun conditions. It produces pristine white blooms and is prized for its clean, elegant appearance in gardens and floral arrangements. This easy-to-grow variety is valued primarily as a decorative flower rather than for culinary or medicinal purposes.

Harvest

90-100d

Days to harvest

📅

Sun

Full sun

☀️

Zones

10–11

USDA hardiness

🗺️

Height

9-18 inches

📏

Planting Timeline

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Start Indoors
Transplant
Direct Sow
Start Indoors
Transplant
Direct Sow

Showing dates for Celway™ White in USDA Zone 7

All Zone 7 flower

Zone Map

Click a state to update dates

CANADAUSAYTZ3NTZ3NUZ3BCZ8ABZ3SKZ3MBZ3ONZ5QCZ4NLZ4NBZ5NSZ6PEZ6AKZ3MEZ4WIZ4VTZ4NHZ5WAZ7IDZ5MTZ4NDZ4MNZ4MIZ5NYZ6MAZ6CTZ6RIZ6ORZ7NVZ7WYZ4SDZ4IAZ5INZ6OHZ6PAZ6NJZ7DEZ7CAZ9UTZ5COZ5NEZ5ILZ6WVZ6VAZ7MDZ7DCZ7AZZ9NMZ7KSZ6MOZ6KYZ6TNZ7NCZ7SCZ8OKZ7ARZ7MSZ8ALZ8GAZ8TXZ8LAZ9FLZ9HIZ10

Celway™ White · Zones 1011

What grows well in Zone 7?

Growing Details

Difficulty
Easy
Spacing6-12 inches
WaterRegular
SeasonWarm season annual
ColorWhite
Size2-4"

Zone-by-Zone Planting Calendar

ZoneIndoor StartTransplantDirect SowHarvest
Zone 1May – JuneJuly – AugustJuly – September
Zone 2April – MayJune – JulyJune – August
Zone 11January – JanuaryJanuary – FebruaryJanuary – March
Zone 12January – JanuaryJanuary – FebruaryJanuary – March
Zone 13January – JanuaryJanuary – FebruaryJanuary – March
Zone 3April – MayJune – JulyJune – August
Zone 4March – AprilJune – JuneJune – July
Zone 5March – AprilMay – JuneMay – July
Zone 6March – AprilMay – JuneMay – July
Zone 7February – MarchApril – MayApril – June
Zone 8February – MarchApril – MayApril – June
Zone 9January – FebruaryMarch – AprilMarch – May
Zone 10January – JanuaryFebruary – MarchFebruary – April

Succession Planting

Celway White runs 90-100 days to harvest and holds its bloom window long enough that most gardeners get a good run from a single sowing. If you're growing it specifically for cut flowers and want staggered flushes rather than one big wave, start a second round of seeds indoors 3-4 weeks after your first (late March if you started in late February), and get them in the ground by early May before daytime highs push past 90°F and slow establishment. Skip a third sowing — anything going in after mid-June in zone 7 won't have enough warm season left to flower before frost.

Complete Growing Guide

Productive plants produce sturdy stems with 2-4" clusters of flower spikes. Blooms tuck neatly into bouquets and add a touch of sparkle. Pinching recommended at seedling stage, when about 6" in height. Raw seeds, not film-coated. According to Johnny's Selected Seeds, Celway™ White is 90 - 100 days to maturity, annual, open pollinated. Notable features: Use for Cut Flowers and Bouquets, Ideal for Drying and Crafts.

Light: Full sun (6 or more hours of direct sunlight a day). Soil: High Organic Matter, Loam (Silt), Sand. Soil pH: Neutral (6.0-8.0). Drainage: Good Drainage, Occasionally Dry. Height: 0 ft. 9 in. - 1 ft. 6 in.. Spread: 0 ft. 9 in. - 1 ft. 0 in.. Spacing: 12 inches-3 feet. Growth rate: Rapid. Maintenance: Low. Propagation: Seed. Regions: Coastal, Piedmont.

Harvesting

Celway™ White reaches harvest at 90 - 100 days from sowing per Johnny's Selected Seeds. Expect 2-4" at peak. As an annual, harvest continues until frost ends the season.

Smooth, glossy, shiny capsule contain many seeds

Color: Black. Type: Capsule.

Edibility: The leaves and young shoots are cooked and used in soups and stews. The seeds yield edible oil.

Storage & Preservation

For fresh flowers, keep Celway White stems in a cool location away from direct sunlight and heat sources; refrigeration extends vase life to 10-14 days. Store at 35-40°F in a tall vase with fresh, clean water changed every 2-3 days. Avoid ethylene-producing fruits nearby. Preservation methods: air-dry bundles upside-down in a dark, well-ventilated space for 2-3 weeks to create dried arrangements; press individual flower spikes between parchment paper under heavy books for 1-2 weeks for floral pressing; or freeze-dry for long-term storage in airtight containers away from moisture and light, maintaining color and texture for months.

History & Origin

Celway™ White is open-pollinated, meaning seed saved from healthy plants will produce true-to-type offspring. Listed in the Johnny's Selected Seeds catalog.

Origin: Tropical Africa

Advantages

  • +Produces sturdy stems ideal for professional and home bouquet arrangements
  • +Compact 2-4 inch flower clusters add delicate sparkle to floral designs
  • +Quick 90-100 day maturity allows multiple plantings per growing season
  • +Easy difficulty level makes variety suitable for beginner growers
  • +Raw seeds require no special coating, reducing seed costs

Considerations

  • -Requires pinching at seedling stage for optimal branching and productivity
  • -Raw seeds may have lower germination rates than film-coated alternatives
  • -Susceptible to root rot in poorly drained or overly wet soil conditions

Companion Plants

French marigolds are the most practical neighbor here — their root secretions deter soil nematodes, and the blooms pull in predatory wasps that clean up aphid pressure across the whole bed. Sweet Alyssum along the edge does something similar, drawing hoverflies and parasitic wasps without competing for the 6-12 inch root zone Celway White needs. Cosmos and Zinnia fit well spatially because they want the same full-sun, moderate-water conditions without crowding roots. Black Walnut is a hard no — juglone moves through the soil far enough to stunt or kill annual flowers, and in our zone 7 Georgia garden, Fennel gets its own isolated corner because its allelopathic compounds make it a bad neighbor for nearly anything ornamental.

Plant Together

+

Marigolds

Repel aphids, whiteflies, and nematodes while attracting beneficial insects

+

Sweet Alyssum

Attracts beneficial insects like hoverflies and parasitic wasps for natural pest control

+

Nasturtiums

Act as trap crop for aphids and cucumber beetles, drawing pests away from celosia

+

Zinnia

Attracts pollinators and beneficial predatory insects while providing complementary colors

+

Petunias

Repel aphids, tomato hornworms, and other soft-bodied pests

+

Cosmos

Attract beneficial insects and provide light shade without competing for nutrients

+

Ageratum

Repels mosquitoes and other flying pests while attracting butterflies

+

Salvia

Deters pests with aromatic foliage and attracts pollinators

Keep Apart

-

Black Walnut Trees

Produce juglone toxin that inhibits growth and can kill celosia plants

-

Fennel

Releases allelopathic compounds that inhibit growth of most flowering plants

-

Eucalyptus

Produces allelopathic compounds that suppress growth of nearby flowering plants

Troubleshooting Celway™ White

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

Seedlings damping off at the soil line within the first 10-14 days after germination — stems go thin and pinched, plants topple over

Likely Causes

  • Pythium or Rhizoctonia fungal complex — both thrive in wet, poorly drained seed-starting mix
  • Overwatering or trays sitting in standing water with no airflow

What to Do

  1. 1.Bottom-water only, and let the top inch of the mix dry slightly between waterings
  2. 2.Run a small fan near your seed trays to keep air moving — 30 minutes a day is enough
  3. 3.If you're losing whole trays, switch to a sterile soilless mix (not garden soil) and treat with a dilute hydrogen peroxide solution (3% at 1:10 with water) at the next watering
Flower spikes bleaching out or developing pale, papery patches on the upper portions of the plant in midsummer

Likely Causes

  • Sun scald — Celway White is heat-tolerant but young transplants moved directly from a shaded greenhouse to unfiltered afternoon sun can bleach within a week
  • Spider mite (Tetranychus urticae) feeding — check the underside of leaves near damaged tissue for fine webbing

What to Do

  1. 1.Harden transplants off over 7-10 days before setting them in a full-sun bed; give them afternoon shade the first week
  2. 2.For spider mites, knock them back with a strong spray of water on the undersides of leaves every 2-3 days, or apply insecticidal soap at label rate

Frequently Asked Questions

How long does Celway White last as a cut flower?
Celway White flowers can last 10-14 days in a vase when properly maintained. Keep stems in cool water (35-40°F) away from direct sunlight, ethylene-producing fruits, and heat sources. Change water every 2-3 days, trim stems at an angle, and remove lower foliage to prevent bacterial growth and extend vase life significantly.
Is Celway White a good choice for beginner flower growers?
Yes, Celway White is rated as an Easy difficulty variety, making it excellent for beginners. It produces sturdy, productive plants with minimal care requirements. Full sun exposure and standard watering are the main needs. Pinching seedlings at 6" height improves branching and flower production, a simple technique even new gardeners can master.
Can you grow Celway White in containers?
Yes, Celway White can be grown in containers with proper drainage. Use well-draining potting soil and ensure containers are at least 6-8 inches deep. Place in full sun (6+ hours daily) and water regularly to keep soil consistently moist but not waterlogged. Container growing may slightly reduce plant size, but flowers remain attractive for cutting.
When should I plant Celway White seeds?
Start seeds indoors 6-8 weeks before your last spring frost date for best results. Alternatively, direct sow after all frost danger has passed and soil has warmed. Seeds are raw (not film-coated), so provide consistent moisture for germination. Transplant seedlings outdoors after hardening off, spacing plants appropriately for air circulation.
How do I get more flowers from Celway White?
Pinching seedlings when they reach about 6 inches in height is recommended to encourage bushier, more productive plants with more flower clusters. This simple technique removes the growing tip, stimulating multiple stems and significantly increasing flower production for larger, fuller bouquets throughout the season.
What makes Celway White suitable for bouquets?
Celway White produces sturdy 2-4" flower spikes on strong stems that "tuck neatly into bouquets." The compact clusters add sparkle and texture to arrangements without overwhelming designs. The flowers maintain their form well when cut and hold well in water, making them ideal for both fresh arrangements and mixed bouquets.

Growing Guides from Wind River Greens

Where to Buy Seeds

Sources & References

External authority sources used in compiling this guide.

See the Methodology page for how this data is sourced, what's AI-assisted, and known limitations.

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