Hybrid

Giant Orange

Tagetes erecta

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

Large flower heads, avg. 3", sit atop sturdy plants. These giant marigolds are prolific producers for cuts as well as excellent garden performers. Sturdy, uniform flower heads are also useful for marigold garlands. Also known as African marigold, American marigold, and Aztec marigold. Edible Flowers: Use the flowers to dress up salads and desserts or cooked in egg or rice dishes. Flavor is floral with hints of citrus and spice, and slightly bitter. Remove the petals from the flower base before consuming as the base can be quite bitter.

Harvest

70-90d

Days to harvest

📅

Sun

Full sun to partial shade

☀️

Zones

2–11

USDA hardiness

🗺️

Height

1-4 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 Giant Orange in USDA Zone 7

All Zone 7 flower →

Zone Map

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Giant Orange · Zones 2–11

What grows well in Zone 7? →

Growing Details

Difficulty

Easy

Spacing12-18 inches

SoilWell-drained soil; tolerates poor fertility

WaterRegular; allow soil to dry between waterings

SeasonWarm season annual

FlavorFloral with hints of citrus and spice, slightly bitter; more savory-floral than sweet

ColorOrange

Size3"

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	—

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: Clay, High Organic Matter, Loam (Silt), Sand. Soil pH: Acid (<6.0), Alkaline (>8.0), Neutral (6.0-8.0). Drainage: Good Drainage, Occasionally Dry. Height: 1 ft. 0 in. - 4 ft. 0 in.. Spread: 1 ft. 0 in. - 2 ft. 0 in.. Spacing: Less than 12 inches, 12 inches-3 feet. Growth rate: Medium. Maintenance: Low. Propagation: Seed. Regions: Coastal, Mountains, Piedmont.

Harvesting

Giant Orange reaches harvest at 70 - 90 days from sowing per Johnny's Selected Seeds. Expect 3" at peak. As an annual, harvest continues until frost ends the season.

Color: Black. Type: Achene.

Harvest time: Fall

Edibility: Sap or juice can cause a rash.

Storage & Preservation

Fresh Giant Orange blooms last 5-7 days in a clean vase with fresh water changed daily. For cut flowers, strip lower stem leaves, cut stems on a 45-degree angle, and place immediately in cool water with floral preservative. Store arrangements in a cool room (65-70°F) away from ripening fruit and direct sunlight.

For long-term preservation, dry petals by laying them in a single layer on a clean cloth in a warm, dark, well-ventilated area for 10-14 days until papery and brittle; store in airtight containers away from moisture. Alternatively, freeze petals in ice cubes with a small amount of water for later use in desserts—they retain color and can be used directly in beverages or melted into sauces. Fresh petals may also be candied with egg white and sugar for decorative, shelf-stable garnishes lasting several weeks.

History & Origin

Giant Orange is an F1 hybrid developed through controlled cross-pollination. Listed in the Johnny's Selected Seeds catalog.

Origin: Mexico to Guatemala

Advantages

+Produces large 3-inch flower heads perfect for cutting and arranging
+Prolific bloomer yields abundant flowers throughout the growing season
+Sturdy stems and uniform flowers ideal for creating marigold garlands
+Edible petals add floral citrus-spice flavor to salads and desserts
+Easy to grow with relatively quick 70-90 day maturation time

Considerations

-Flower base tastes very bitter and must be removed before eating
-Susceptible to spider mites and powdery mildew in humid conditions
-Requires deadheading to maintain continuous blooms and plant appearance

Companion Plants

Giant Orange marigolds do something most flowers don't: Tagetes erecta roots produce thiophene compounds that suppress root-knot nematodes (Meloidogyne spp.) in the surrounding soil. The catch is it takes a full growing season to build up, so you're not protecting this year's crop so much as improving the bed for whatever goes in next spring. Pairing them with basil or parsley in the same border makes practical sense — similar water needs, full-sun preference, and the mixed scent profile confuses aphids and thrips enough to slow colonization.

Zinnias, cosmos, and sunflowers pull in parasitic wasps and predatory beetles that keep soft-bodied pest populations from getting out of hand. Planting any combination of these within 10-15 feet keeps beneficial insect habitat continuous through the season rather than patchy. Nasturtiums work a bit differently — they're sticky and pungent enough that aphids preferentially land on them, making them useful as a draw-away crop when planted at the bed edges.

Black walnut (Juglans nigra) is the real problem to avoid. It releases juglone through its root system, and Tagetes is sensitive enough to show wilting and stunting well inside the drip line. Fennel is a subtler issue — it produces allelopathic compounds that gradually suppress neighbors, and it tends to get worse as the season goes on. Fennel does better with its own isolated patch than shoehorned into a mixed border.

Plant Together

Marigolds

Repel aphids, whiteflies, and nematodes while attracting beneficial insects

Nasturtiums

Act as trap crops for aphids and cucumber beetles, edible flowers complement orange blooms

Zinnias

Attract pollinators and beneficial predatory insects, similar growing requirements

Cosmos

Attract beneficial insects and pollinators, provide structural support in mixed plantings

Sunflowers

Provide wind protection and attract pollinators, complementary warm-toned flowers

Basil

Repels thrips, aphids, and flies while attracting beneficial pollinators

Parsley

Attracts beneficial parasitic wasps and hoverflies that control garden pests

Cleome

Attracts beneficial insects and provides vertical interest without competing for nutrients

Keep Apart

Black Walnut Trees

Release juglone toxin that inhibits growth and can kill sensitive flowering plants

Fennel

Produces allelopathic compounds that inhibit growth of most garden plants

Eucalyptus

Releases allelopathic chemicals that suppress growth of nearby flowering plants

Pests & Disease Resistance

Common Pests

Spider mites, thrips, aphids

Diseases

Root rot, powdery mildew, leaf spot

Troubleshooting Giant Orange

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

Fine webbing on the undersides of leaves, foliage looking dusty or stippled, especially during hot dry spells

Likely Causes

Two-spotted spider mite (Tetranychus urticae) — populations explode when temperatures stay above 85°F and humidity drops
Overhead watering that's too infrequent, leaving plants water-stressed and more susceptible

What to Do

1.Blast the undersides of leaves with a strong stream of water every 2-3 days — it physically knocks mites off and they rarely climb back
2.Apply insecticidal soap or neem oil in the early morning, making sure to coat leaf undersides; repeat every 5-7 days until population drops
3.Don't let the soil go bone dry — consistent moisture makes plants less attractive to mites

White powdery coating on upper leaf surfaces, usually appearing in late summer when nights cool down but days stay warm

Likely Causes

Powdery mildew (Erysiphe cichoracearum or related species) — spreads by airborne spores and thrives in the 65-80°F range with poor airflow
Plants spaced too close, below the 12-inch minimum, trapping humidity around the foliage

What to Do

1.Remove and trash (don't compost) the worst-affected leaves immediately
2.Spray a diluted baking soda solution (1 tablespoon per gallon of water) or a potassium bicarbonate product on remaining foliage — reapply after rain
3.Next season, stick to 12-18 inch spacing and avoid wetting foliage when watering

Frequently Asked Questions

How long does Giant Orange marigold take to flower from seed?▼

Giant Orange reaches mature blooming size in 70-90 days from seed. Direct sown seeds germinate in 7-10 days and produce flowering plants by mid-summer. For earlier blooms, start seeds indoors 6-8 weeks before your last frost date and transplant after frost danger passes. You'll see first flowers 4-5 weeks after transplanting outdoors, allowing blooming to begin in early June in most climates.

Is Giant Orange marigold good for beginners?▼

Yes, Giant Orange is an excellent beginner flower. It tolerates poor soil, inconsistent watering, neglect, and a wide range of light conditions (full sun to partial shade). Seeds germinate reliably and quickly, and plants grow vigorously with minimal intervention. The main requirement is regular deadheading to sustain blooming—without it, plants stop flowering by mid-summer. Even this is optional if you prioritize foliage over flowers.

Can you grow Giant Orange marigold in containers?▼

Absolutely. Giant Orange performs reliably in containers 12 inches or larger with drainage holes and quality potting mix. Space single plants 12-18 inches apart; larger containers can accommodate 2-3 plants. Container plants dry faster than ground-planted specimens, so check soil moisture daily and water when top inch feels dry. Feed every 2-3 weeks with diluted liquid fertilizer since frequent container watering leaches nutrients. Place containers in full sun for best blooming.

What do Giant Orange marigold flowers taste like?▼

Giant Orange petals offer a distinctive floral flavor with pronounced citrus and spice notes and a slightly bitter finish. The taste is more savory-floral than sweet, making petals ideal for garnishing salads, rice dishes, and egg preparations rather than desserts (though they can candy well). Always remove and discard the green flower base, which is significantly more bitter than the petals. Flavor intensity varies with growing conditions and harvest time.

When should I plant Giant Orange marigold seeds?▼

Direct sow after your last spring frost date when soil has warmed to at least 60°F—typically mid-to-late spring in most climates. For earlier flowers, start seeds indoors 6-8 weeks before your last frost date under grow lights, then harden off and transplant outdoors after frost danger passes. Do not rush planting; marigolds are cold-sensitive and will rot in cold, wet soil. In warm climates (zones 10+), you can succession sow every 3 weeks through early summer for continuous fresh blooms.

How often should I water and fertilize Giant Orange marigolds?▼

Water regularly but allow soil to dry between waterings—typically 1-2 times weekly depending on temperature and rainfall. Soggy conditions invite root rot and fungal diseases. Avoid overhead watering when possible; water at soil level in early morning. Fertilize sparingly; over-feeding promotes foliage at the expense of blooms. Apply balanced fertilizer (10-10-10) every 4-6 weeks, or use a light weekly feeding with diluted liquid fertilizer. Poor soil often requires minimal supplemental nutrition.