Hybrid

Zowie!™ Yellow Flame

Zinnia elegans

Photo: Wilfredor · Wikimedia Commons · (CC0)

2-3 1/2" semidouble flowers have iridescent magenta centers and petals dipped in orange. Cut-and-come-again flower, yielding multiple cuts over the season. This magnificent zinnia is an AAS Winner.

Harvest

75-85d

Days to harvest

📅

Sun

Full sun

☀️

Zones

2–11

USDA hardiness

🗺️

Height

0-3 feet

📏

Planting Timeline

Zone:

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 Zowie!™ Yellow Flame in USDA Zone 7

All Zone 7 flower →

Zone Map

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Zowie!™ Yellow Flame · Zones 2–11

What grows well in Zone 7? →

Growing Details

Difficulty

Easy

Spacing18-24 inches

SoilWell-drained soil, tolerates average garden soil

WaterRegular, keep soil consistently moist but not waterlogged

SeasonWarm season annual

ColorMagenta and orange

Size2-3 1/2"

Zone-by-Zone Planting Calendar

Zone	Indoor Start	Transplant	Direct Sow	Harvest
Zone 1	May – June	July – August	July – September	—
Zone 2	April – May	June – July	June – August	—
Zone 11	January – January	January – February	January – March	—
Zone 12	January – January	January – February	January – March	—
Zone 13	January – January	January – February	January – March	—
Zone 3	April – May	June – July	June – August	—
Zone 4	March – April	June – June	June – July	—
Zone 5	March – April	May – June	May – July	—
Zone 6	March – April	May – June	May – July	—
Zone 7	February – March	April – May	April – June	—
Zone 8	February – March	April – May	April – June	—
Zone 9	January – February	March – April	March – May	—
Zone 10	January – January	February – March	February – April	—

Succession Planting

Zowie! Yellow Flame blooms continuously from a single sowing, so you don't have to succession plant — but staggering two or three rounds does extend your peak-quality cut-flower window before summer heat and plant age start showing in stem length and bloom size. In zone 7, direct sow a first round around April 15, a second around May 15, and a final round no later than June 15. Each sowing takes 75–85 days to reach flower, so a June 15 sowing should carry you into September before frost ends things.

Stop sowing once daytime highs are reliably above 90°F — germination gets erratic and seedlings struggle to establish in that kind of heat. If you're starting indoors, sow 4–6 weeks before your last frost date and transplant out after nighttime lows stay consistently above 50°F. Zinnias don't love root disturbance, so use biodegradable pots or direct sow whenever you have the option.

Complete Growing Guide

2-3 1/2" semidouble flowers have iridescent magenta centers and petals dipped in orange. Cut-and-come-again flower, yielding multiple cuts over the season. This magnificent zinnia is an AAS Winner. According to Johnny's Selected Seeds, Zowie!™ Yellow Flame is 75 - 85 days to maturity, annual, hybrid (f1). Notable features: Grows Well in Containers, Use for Cut Flowers and Bouquets, AAS (All-America Selections) Winners.

Light: Full sun (6 or more hours of direct sunlight a day). Soil: High Organic Matter, Loam (Silt). Soil pH: Acid (<6.0), Alkaline (>8.0), Neutral (6.0-8.0). Drainage: Good Drainage, Occasionally Dry. Height: 0 ft. 6 in. - 3 ft. 0 in.. Spread: 0 ft. 8 in. - 1 ft. 0 in.. Spacing: 12 inches-3 feet. Growth rate: Rapid. Maintenance: Medium. Propagation: Seed. Regions: Coastal, Mountains, Piedmont.

Harvesting

Zowie!™ Yellow Flame reaches harvest at 75 - 85 days from sowing per Johnny's Selected Seeds. Expect 2-3 1/2" at peak. As an annual, harvest continues until frost ends the season.

Type: Achene.

Storage & Preservation

Fresh zinnia flowers are best stored in the refrigerator to extend vase life. Keep stems in clean, cool water (35-45°F) with high humidity—use a vase with flower food or a homemade solution of sugar and bleach. Shelf life is typically 7-10 days when properly hydrated. For preservation: air-dry by hanging bundles upside-down in a warm, dark, well-ventilated space for 2-3 weeks to create dried arrangements; press individual flowers between parchment paper under heavy books for 2-3 weeks for crafts; or freeze flowers in ice cubes with water for decorative use in beverages.

History & Origin

Zowie!™ Yellow Flame is an F1 hybrid developed through controlled cross-pollination. Listed in the Johnny's Selected Seeds catalog.

Origin: Mexico

Advantages

+AAS Winner designation ensures proven superior quality and performance
+Cut-and-come-again variety produces multiple harvests throughout growing season
+Striking bicolor blooms with iridescent magenta centers create stunning arrangements
+Semidouble flowers offer full, impressive appearance compared to single varieties
+Moderate 75-85 day maturity allows reasonable timeframe for blooming

Considerations

-Requires consistent deadheading to maintain prolific cutting production
-Magenta centers may fade in intense afternoon heat conditions
-Tall growth habit needs staking support in windy locations

Companion Plants

Marigolds and nasturtiums are the workhorses here. Tagetes patula emits thiophenes from its roots that suppress soil nematodes — a real mechanism, not just garden folklore. Nasturtiums pull double duty: they lure aphids away from your zinnias and bring in lacewings and other predatory insects that keep thrips pressure down, which matters because Zowie! Yellow Flame's dense, bicolor petals give thrips plenty of places to hide and feed. Sweet alyssum is worth tucking into any gaps at the border; its tiny flowers run for months and feed parasitic wasps that go after thrips larvae.

Black walnut is the one to plant nowhere near your flower beds, period — Juglans nigra produces juglone in its roots, leaves, and hulls, and zinnias are sensitive enough that even roots reaching into the drip zone can cause wilting and collapse that looks like drought stress until you realize the plant is already dead. Eucalyptus has similar allelopathic properties through its leaf litter and root exudates. Sunflowers are a softer concern — they won't poison zinnias, but they compete aggressively for water and tend to host spider mite colonies that drift over when conditions get hot and dry.

Plant Together

Marigolds

Repel nematodes and aphids while attracting beneficial insects

Nasturtiums

Act as trap crops for aphids and cucumber beetles, add vibrant color contrast

Sweet Alyssum

Attracts beneficial insects like lacewings and provides ground cover

Petunias

Repel aphids, tomato hornworms, and other garden pests

Catnip

Deters ants, aphids, and mosquitoes while attracting pollinators

Cosmos

Attract beneficial insects and provide structural diversity without competition

Lavender

Repels moths, fleas, and mosquitoes while attracting bees and butterflies

Zinnia

Attract beneficial predatory insects and complement warm color palette

Keep Apart

Black Walnut

Produces juglone toxin that inhibits growth of most flowering plants

Eucalyptus

Releases allelopathic compounds that suppress nearby plant growth

Sunflowers

Compete aggressively for nutrients and water, may stunt smaller flowering plants

Pests & Disease Resistance

Common Pests

Japanese beetles, spider mites, thrips

Diseases

Powdery mildew, leaf spots, root rot in overly wet soil

Troubleshooting Zowie!™ Yellow Flame

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

White powdery coating on upper leaf surfaces, usually showing up mid-summer when nights cool down

Likely Causes

Powdery mildew (Erysiphe cichoracearum) — airborne fungal spores that thrive when humidity is high but leaves are dry
Overcrowded planting that traps stagnant air around foliage

What to Do

1.Space plants at least 18 inches apart — crowding is the main accelerant here
2.Remove and trash (don't compost) heavily affected leaves as soon as you spot them
3.Apply a diluted neem oil spray (2 tsp per quart of water) every 7 days until symptoms stop spreading

Ragged holes chewed through petals and leaves, with shiny green-bronze beetles visible on the plant in July or August

Likely Causes

Japanese beetles (Popillia japonica) — they skeletonize petals and leaves, and they're worse on sunny days between 9 a.m. and 3 p.m.

What to Do

1.Hand-pick beetles into a bucket of soapy water early in the morning when they're sluggish
2.Skip Japanese beetle traps near your zinnias — they pull in more beetles than they catch
3.Plant catnip (Nepeta cataria) nearby as a mild deterrent; it won't eliminate them but can reduce pressure

Stunted growth, yellowing leaves, and wilting that doesn't recover after watering — roots look brown and mushy when you pull the plant

Likely Causes

Root rot caused by Pythium or Rhizoctonia spp. — both thrive in waterlogged, poorly draining soil
Overwatering or planting in a low spot where water pools after rain

What to Do

1.Pull and discard affected plants — they won't recover once roots are gone
2.Amend the bed with compost or coarse perlite before replanting to improve drainage
3.Water at the base only, and let the top inch of soil dry out between waterings

Frequently Asked Questions

How long do Zowie Yellow Flame flowers last in a vase?▼

With proper care, Zowie! Yellow Flame zinnias typically last 7-10 days in a vase. Keep them in cool water (35-45°F) with flower food, remove lower leaves, and change water every 2-3 days. These cut-and-come-again flowers will continue producing new blooms throughout the season when you harvest regularly, encouraging bushier growth and more flowering.

Is this zinnia variety good for beginners?▼

Yes, Zowie! Yellow Flame is excellent for beginners. It's rated as 'Easy' to grow, doesn't require special care, and as an AAS Winner, it's proven to perform reliably. It thrives in full sun and produces abundant flowers with minimal maintenance. The cut-and-come-again habit means more flowers the more you harvest, making it rewarding for new gardeners.

Can you grow Zowie Yellow Flame zinnias in containers?▼

Yes, Zowie! Yellow Flame zinnias work well in containers, especially given their compact to medium size (2-3.5" flowers). Use quality potting soil in containers at least 12 inches deep with good drainage. Regular watering is essential for container plants. Ensure the container receives 6+ hours of full sun daily, and deadhead spent flowers to encourage continuous blooming throughout the season.

When should I plant Zowie Yellow Flame seeds?▼

Start seeds indoors 6-8 weeks before your last frost date, or direct sow after all frost danger has passed. Seeds germinate in 7-14 days in warm soil (70-75°F). Transplant seedlings outdoors after the last frost when soil has warmed. Flowers will bloom 75-85 days from planting, so time your planting to enjoy blooms during your desired season.

What makes Zowie Yellow Flame different from other zinnias?▼

Zowie! Yellow Flame stands out with its striking iridescent magenta centers contrasted against orange-dipped petals on semidouble flowers. As an AAS (All-America Selections) award winner, it offers superior performance and unique color combinations. The cut-and-come-again habit produces multiple harvests throughout the season, and the 2-3.5" flower size is ideal for fresh arrangements and garden displays.

How much sun and space do Zowie Yellow Flame zinnias need?▼

These zinnias require full sun (6+ hours daily) to thrive and produce abundant, vibrant flowers. Space plants 18-24 inches apart to allow good air circulation, which helps prevent disease and encourages bushier growth. In containers, ensure each plant has adequate room to develop fully. The more light they receive, the more prolific the blooming.