Marigold African Orange Jubilee
Tagetes erecta 'Orange Jubilee'
These impressive African marigolds produce massive 4-inch fully double orange blooms on sturdy 24-inch plants that stand up to wind and weather. Known for their exceptional heat tolerance and continuous blooming, they're perfect for creating bold color statements in borders and cutting gardens. The vibrant orange flowers also serve as natural pest deterrents in vegetable gardens.
Sun
Full sun to partial shade
Zones
2–11
USDA hardiness
Height
1-4 feet
Planting Timeline
Showing dates for Marigold African Orange Jubilee in USDA Zone 7
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Marigold African Orange Jubilee · Zones 2–11
Growing Details
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
African marigolds like 'Orange Jubilee' require full sun (at least 6–8 hours daily) and well-draining soil to prevent root rot, which is their primary vulnerability in humid climates. Direct sowing seeds after frost danger passes accelerates flowering compared to transplants, and this cultivar typically blooms 60–70 days from seed. Unlike shorter French marigolds, these 24-inch plants need staking in windy locations despite their sturdy reputation. While heat and drought-tolerant once established, inconsistent watering causes spider mites and powdery mildew on foliage. Deadheading spent blooms every 3–4 days dramatically extends flowering through fall and prevents the premature seed-set that halts bloom production. Plant 12–15 inches apart to ensure good air circulation, especially important for preventing fungal issues in 'Orange Jubilee's denser flower clusters.
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
These massive four-inch blooms reach peak harvest readiness when the petals display their deepest, most saturated orange hue and feel papery yet supple to the touch. Harvest in the early morning when stems are fully hydrated for maximum vase life and flavor intensity in the citrusy petals. Unlike single-harvest varieties, African Orange Jubilee flowers continuously throughout the season, so regular deadheading of spent blooms encourages prolific flowering rather than seed production. Pinch flowers when the double petals have fully unfurled but before they begin to fade or curl at the edges, typically mid-morning on days following cool nights when the plant's moisture content is highest.
Color: Black. Type: Achene.
Harvest time: Fall
Edibility: Sap or juice can cause a rash.
History & Origin
Tagetes erecta, commonly known as African marigold, originated in Mexico despite its misleading common name, and has been cultivated for centuries in both ornamental and ceremonial contexts. The 'Orange Jubilee' cultivar emerged from the broader twentieth-century breeding efforts focused on developing larger, more double-flowered forms with enhanced vigor and heat tolerance. While specific breeder attribution and introduction year for this particular cultivar remain undocumented in readily available horticultural records, it represents the culmination of selective breeding within commercial seed companies that prioritized the impressive four-inch fully double blooms and sturdy plant habit that define the variety today. The cultivar's development reflects the general trajectory of marigold improvement during the mid-to-late twentieth century.
Origin: Mexico to Guatemala
Advantages
- +Produces massive 4-inch fully double orange blooms on 24-inch sturdy plants
- +Exceptional heat tolerance and continuous blooming throughout growing season
- +Natural pest deterrent in vegetable gardens reduces chemical spraying needs
- +Easy to grow with low maintenance requirements for most gardeners
- +Vibrant orange flowers create bold color statements in borders and cutting gardens
Considerations
- -Susceptible to powdery mildew and leaf spot in humid conditions
- -Prone to stem rot if soil remains overly wet or poorly drained
- -Spider mites and aphids can still infest plants despite pest-deterrent properties
- -Citrusy, slightly bitter petal flavor limits culinary appeal for some uses
Companion Plants
African marigolds do real work near tomatoes and peppers because their roots release alpha-terthienyl, a compound that's toxic to root-knot nematodes (Meloidogyne species) — plant them in the actual bed, not just at the border, or the effect doesn't reach the soil where it matters. Lettuce benefits from the partial shade a 3-4 foot 'Orange Jubilee' throws once summer heats up, and nasturtiums pull double duty as a trap crop for aphids that might otherwise hit your cucumbers. Skip fennel entirely — it releases allelopathic compounds that suppress most garden plants within a few feet — and don't put these anywhere near a black walnut tree, whose juglone-saturated soil will take the plant down fast.
Plant Together
Tomatoes
Marigolds repel nematodes, whiteflies, and hornworms that commonly attack tomatoes
Basil
Both repel aphids and flies; basil enhances the pest-repelling properties of marigolds
Peppers
Marigolds deter aphids, spider mites, and other pests that damage pepper plants
Cabbage
Repels cabbage worms, flea beetles, and other brassica pests
Cucumbers
Deters cucumber beetles, aphids, and squash bugs while attracting beneficial insects
Roses
Repels aphids, whiteflies, and may help reduce black spot disease
Nasturtiums
Both trap crops for aphids and cucumber beetles; create effective pest management zone
Lettuce
Marigolds repel slugs, aphids, and provide light shade during hot weather
Keep Apart
Black Walnut Trees
Juglone toxin from walnut roots stunts marigold growth and can cause wilting
Fennel
Releases allelopathic compounds that inhibit marigold germination and growth
Sunflowers
Compete aggressively for nutrients and water; allelopathic effects reduce marigold vigor
Pests & Disease Resistance
Resistance
Good disease resistance, naturally pest-repelling
Common Pests
Spider mites, aphids (though plants naturally repel many pests)
Diseases
Powdery mildew, leaf spot, stem rot in overly wet conditions
Troubleshooting Marigold African Orange Jubilee
What you'll see, why it happens, and what to do about it.
Fine webbing on undersides of leaves, with tiny moving dots and stippled, silvery leaf surfaces
Likely Causes
- Spider mite (Tetranychus urticae) infestation — thrives in hot, dry conditions above 85°F
- Dusty or water-stressed plants attract mites faster
What to Do
- 1.Blast the undersides of leaves with a strong stream of water for several days running
- 2.Apply insecticidal soap or neem oil at dusk, coating the undersides thoroughly — repeat every 5-7 days
- 3.Water consistently during heat spikes; stressed plants are far more susceptible
Clusters of soft green or black insects on new growth and buds, with sticky residue on nearby leaves
Likely Causes
- Aphid colonies (commonly Myzus persicae or Aphis gossypii) building up on tender tissue
- Ant colonies actively farming the aphids and protecting them from predators
What to Do
- 1.Knock aphids off with a hard water spray — do this 3 days in a row and you'll break most colonies
- 2.Check for ant trails at the base of the plant; if ants are present, use a sticky barrier around the stem
- 3.Tolerate light infestations — ladybugs and parasitic wasps usually catch up within a week or two
White powdery coating on upper leaf surfaces, starting on older leaves, spreading fast in humid weather
Likely Causes
- Powdery mildew (Erysiphe cichoracearum or related species) — fungal, spreads by air, not water
- Poor airflow from crowded spacing below 12 inches apart
What to Do
- 1.Remove and bag the worst-affected leaves immediately
- 2.Spray with a diluted baking soda solution (1 tablespoon per gallon of water) or potassium bicarbonate — apply in the morning so leaves dry fully before nightfall
- 3.Next planting, space plants the full 15 inches apart and avoid overhead watering late in the day
Stems turning dark and mushy at the soil line, plant wilting and collapsing even when soil is moist
Likely Causes
- Stem rot — most often Pythium or Rhizoctonia solani — triggered by waterlogged, poorly draining soil
- Overwatering or planting in a low spot where water pools after rain
What to Do
- 1.Pull the affected plant — it won't recover, and leaving it spreads the pathogen to neighbors
- 2.Let the surrounding soil dry out before watering again; 'Orange Jubilee' is drought tolerant once established and doesn't need frequent irrigation
- 3.Amend heavy clay beds with perlite or coarse compost before replanting, and keep mulch an inch or two back from the stem