Hybrid

Chantilly™ Cream Yellow

Antirrhinum majus

Photo: Arrow Aircraft & Motors Corporation · Wikimedia Commons · (CC0)

Group 1-2: Performs best under short days and low temperatures. Because Chantilly snapdragons are bred for short-day production, long-day growing conditions produce stems that are thin and weak. We do not recommend this variety for long-day production. Suitable for greenhouse or in the field. Bloom color is light yellow; despite the name, the color is not really cream but a cheery and bright light yellow. Edible Flowers: The flowers are a colorful garnish for use in salads, desserts, and drinks. The flavor is floral and slightly bitter, so use sparingly.

Harvest

100-110d

Days to harvest

📅

Sun

Full sun to partial shade

☀️

Zones

7–10

USDA hardiness

🗺️

Height

0-3 feet

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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 Chantilly™ Cream Yellow in USDA Zone 7

All Zone 7 flower →

Zone Map

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Chantilly™ Cream Yellow · Zones 7–10

What grows well in Zone 7? →

Growing Details

Difficulty

Easy

Spacing6-8 inches

SoilWell-draining seed-starting mix or potting soil; pH 6.0-7.0

WaterRegular, consistent moisture; allow slight drying between waterings

SeasonWarm season annual

FlavorDistinctive floral flavor with a slightly bitter undertone; best used sparingly as garnish

ColorBright light yellow

Zone-by-Zone Planting Calendar

Zone	Indoor Start	Transplant	Direct Sow	Harvest
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	—
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	—

Succession Planting

Start seeds indoors 10–12 weeks before your last frost date (around February–March in zone 7), then transplant out in April once nights stay reliably above 40°F. Snapdragons are cool-season performers that slow down hard once daytime highs push past 80–85°F — in zone 7 that usually means production tails off by late June. For a fall flush, sow a second round indoors in mid-July and move transplants out in late August; they'll pick back up once temperatures drop and often carry through until a hard frost finishes them. Two rounds — spring and fall — is the right model here, not the staggered weekly sowings you'd use for a cut-and-come-again crop like lettuce.

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: High Organic Matter. Drainage: Good Drainage. Height: 0 ft. 6 in. - 3 ft. 0 in.. Spread: 0 ft. 6 in. - 0 ft. 10 in.. Spacing: Less than 12 inches. Growth rate: Medium. Maintenance: Medium.

Harvesting

Chantilly™ Cream Yellow reaches harvest at 100 - 110 days from sowing per Johnny's Selected Seeds. As an annual, harvest continues until frost ends the season.

A capsule, half hidden by calyx lobes, short-beaked.

Type: Capsule. Length: 1-3 inches.

Storage & Preservation

Fresh Chantilly™ Cream Yellow blooms keep best in a cool greenhouse or flower cooler at 50-55°F, standing in clean water with flower food. At room temperature, stems last 5-7 days; refrigerated, they extend to 10-14 days. For edible use, store harvested blooms in a sealed container lined with damp paper towels in the crisper drawer for up to 2 days.

Preserve flowers by pressing them between parchment paper under heavy books for 2-3 weeks, ideal for crafts and arrangements. Alternatively, hang-dry stems in a warm, dark, well-ventilated space for 1-2 weeks; they retain color well and work in dried arrangements. For long-term preservation of flowers intended as garnish, freeze whole blooms on a tray, then transfer to freezer bags—thaw gently before using, though texture softens slightly.

History & Origin

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

Origin: Southwestern Europe

Advantages

+Ideal for short-day production with excellent performance in cool temperatures
+Bright, cheerful light yellow blooms add visual appeal to any garden
+Versatile edible flowers perfect for garnishing salads, desserts, and drinks
+Easy to grow with straightforward cultivation requirements
+Suitable for both greenhouse and field production methods

Considerations

-Produces thin, weak stems under long-day growing conditions
-Floral flavor is slightly bitter and requires sparing use
-Requires cool temperatures and short days for optimal stem quality
-100-110 day growing period demands patience before harvest

Companion Plants

Marigolds (especially Tagetes patula) are the most practical pairing here — their root secretions deter soil nematodes, and their scent disrupts aphids and thrips that would otherwise zero in on snapdragon buds. Sweet alyssum along the border draws parasitic wasps that keep aphid colonies from getting out of hand, without competing for root space at the shallow depths Antirrhinum actually uses. Nasturtiums pull aphid pressure away from the snaps as a trap crop — useful, but cut and bag nasturtium stems the moment they get heavily colonized or you've just relocated the problem. Black walnut trees are a hard no; juglone toxicity from their root zone is enough to stunt Chantilly Cream Yellow well before any other issue shows up.

Plant Together

Marigolds

Repel aphids, whiteflies, and nematodes while attracting beneficial insects

Sweet Alyssum

Attracts beneficial insects like hoverflies and parasitic wasps for pest control

Nasturtiums

Act as trap crops for aphids and cucumber beetles while repelling squash bugs

Lavender

Repels moths, fleas, and mosquitoes while attracting pollinators

Cosmos

Attracts beneficial insects and provides complementary colors without competing for nutrients

Catmint

Deters ants, aphids, and rodents while attracting pollinators

Zinnia

Attracts ladybugs and other beneficial predators for natural pest control

Petunias

Repel aphids, tomato hornworms, and squash bugs

Keep Apart

Black Walnut Trees

Release juglone toxin that inhibits growth and can kill sensitive flowers

Sunflowers

Produce allelopathic compounds that inhibit germination and growth of nearby plants

Eucalyptus

Releases allelopathic chemicals that suppress growth of most companion plants

Pests & Disease Resistance

Common Pests

Spider mites, aphids, thrips, whiteflies

Diseases

Rust, powdery mildew, root rot

Troubleshooting Chantilly™ Cream Yellow

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

White powdery coating on leaves and stems, usually starting on upper leaf surfaces mid-season

Likely Causes

Powdery mildew (Erysiphe cichoracearum) — fungal, spreads by airspores in warm days/cool nights with low rainfall
Crowded planting at less than 6-inch spacing blocking air circulation

What to Do

1.Cut out and trash the worst-affected stems — don't compost them
2.Spray remaining foliage with a diluted neem oil solution (2 tbsp per gallon) every 7 days until symptoms stop spreading
3.Next season, hold to 8-inch spacing and don't overhead water in the evening

Orange or rust-colored pustules on the undersides of leaves, with yellow flecking on top — plants declining fast

Likely Causes

Snapdragon rust (Puccinia antirrhini) — the most common serious disease on Antirrhinum majus, spreads by wind
Overhead irrigation that keeps foliage wet for extended periods

What to Do

1.Remove and bag affected leaves immediately; don't compost anything with rust pustules
2.Switch to drip or base watering to keep foliage dry
3.If the plant is more than 50% affected, pull it entirely — rust moves fast to neighboring snaps

Tiny bronze or silver streaking on petals and leaves, sometimes with distorted flower buds that won't open properly

Likely Causes

Thrips (Frankliniella occidentalis) — tiny insects that rasp plant tissue and feed inside developing buds
Nearby weedy areas or onion family crops that harbor thrips populations

What to Do

1.Inspect open blooms early in the morning when thrips are sluggish — a 10x hand lens helps confirm them
2.Apply spinosad-based spray (follow label rate) every 5–7 days for 2–3 cycles, alternating with insecticidal soap to reduce resistance buildup
3.Remove spent flowers promptly; thrips breed inside them

Frequently Asked Questions

How long does Chantilly Cream Yellow snapdragon take to grow from seed to harvest?▼

Chantilly™ Cream Yellow reaches harvest maturity in 100-110 days under optimal short-day, cool-temperature conditions. Start seeds indoors 10-12 weeks before your target flowering date. In a well-managed greenhouse at 60-65°F day and 50-55°F night temperatures with short-day photoperiod control, you'll hit the 100-day target reliably. Warmer conditions or accidental long-day exposure can delay or completely stall flowering.

Can you grow Chantilly Cream Yellow snapdragons outdoors in your garden?▼

Chantilly™ Cream Yellow is not recommended for typical outdoor garden growing. This variety was bred specifically for greenhouse short-day production and produces weak, thin stems outdoors in long-day, warm conditions. You can succeed outdoors only in cool climates during fall/winter/spring when natural day length drops below 12 hours and temperatures stay 50-65°F. Most home gardeners should grow standard tall snapdragon varieties outdoors instead.

Is Chantilly Cream Yellow good for beginners?▼

Only if you have greenhouse access or can provide controlled conditions. For outdoor gardeners without temperature and light control, this variety is challenging and often fails. Beginners are better served by open-pollinated or easier-growing snapdragon cultivars. If you do have a greenhouse or grow lights, Chantilly™ Cream Yellow is 'easy' to grow—it's forgiving of minor mistakes as long as photoperiod and temperature are managed correctly.

What do Chantilly Cream Yellow flowers taste like as edible flowers?▼

The blooms have a distinctive floral flavor with a slightly bitter undertone. They're best used sparingly as a colorful garnish in salads, desserts, and drinks rather than as a primary edible ingredient. The bright yellow color provides visual appeal while the flavor adds subtle botanical notes without overpowering dishes. Harvest blooms at peak freshness for the most delicate taste.

Why is Chantilly Cream Yellow called 'Cream' when the flowers are bright yellow?▼

The variety name precedes the actual color breeding that produced the final cultivar. While breeders intended a softer, creamy yellow tone, the selected color turned out to be a cheerful, bright light yellow instead. The name 'Cream Yellow' stuck despite not perfectly describing the actual bloom color. It's a common discrepancy in commercial plant variety naming where marketing names don't always match the final product exactly.

Can you grow Chantilly Cream Yellow in containers or pots?▼

Yes, Chantilly™ Cream Yellow grows well in containers under proper greenhouse conditions—it's actually preferred for intensive production. Use 4-6 inch pots with quality potting soil, maintain consistent moisture, and provide the same short-day photoperiod control as in-ground plantings. Container growing allows better drainage management and easier temperature regulation. However, outdoor container growing faces the same long-day/warm-temperature challenges as in-ground planting.