Burpee Ambrosia Hybrid Cantaloupe
Cucumis melo var. cantalupensis 'Ambrosia'
An All-America Selections winner renowned for its exceptional sweetness and disease resistance, making it perfect for home gardeners seeking reliable production. The thick, salmon-orange flesh maintains its quality longer than most varieties, while the heavy netting and consistent size make it as beautiful as it is delicious. This hybrid combines old-fashioned flavor with modern reliability.
Harvest
86-90d
Days to harvest
Sun
Full sun
Zones
2–11
USDA hardiness
Height
6-9 feet
Planting Timeline
Showing dates for Burpee Ambrosia Hybrid Cantaloupe in USDA Zone 7
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Burpee Ambrosia Hybrid Cantaloupe · Zones 2–11
Growing Details
Zone-by-Zone Planting Calendar
| Zone | Indoor Start | Transplant | Direct Sow | Harvest |
|---|---|---|---|---|
| Zone 3 | May – May | June – July | June – August | September – October |
| Zone 4 | April – May | June – June | June – July | September – October |
| Zone 5 | April – April | May – June | May – July | September – October |
| Zone 6 | April – April | May – June | May – July | August – October |
| Zone 7 | March – April | May – May | May – June | August – September |
| Zone 8 | March – March | April – May | April – June | July – September |
| Zone 9 | February – February | March – April | March – May | June – August |
| Zone 10 | January – February | March – March | March – April | June – July |
| Zone 1 | June – June | July – August | July – September | October – August |
| Zone 2 | May – June | July – July | July – August | October – September |
| Zone 11 | January – January | February – February | February – March | May – June |
| Zone 12 | January – January | February – February | February – March | May – June |
| Zone 13 | January – January | February – February | February – March | May – June |
Succession Planting
Ambrosia takes 86-90 days to harvest and keeps producing on the same vine through the season, so you don't succession-plant it the way you would lettuce or radishes. One sowing is the standard approach — direct sow after soil temps reach 65°F (typically May in zone 7), or start seeds indoors in March-April and transplant in May. If you want a second planting, seeds need to be in the ground by early June at the absolute latest to clear harvest before first frost. Heat stress during fruit set in August can hurt both set percentage and flavor, so that late window is a real gamble. Most gardeners plant once and let the vines run.
Complete Growing Guide
Plant Burpee Ambrosia seeds directly into the garden after the last frost when soil reaches 70°F, as this hybrid germinates reliably within 7-10 days under warm conditions. Unlike slower-maturing varieties, Ambrosia's 86-90 day timeline demands consistent warmth and full sun (minimum 8 hours daily) to develop its signature sweetness; cooler climates benefit from black plastic mulch to maintain soil temperature. While disease resistance is a defining strength of this cultivar, provide good air circulation to prevent powdery mildew, and water deeply at the base rather than overhead. The heavy netting develops most consistently with regular fertilization every 2-3 weeks once flowering begins. A practical tip: once fruits reach tennis-ball size, reduce watering slightly—this concentrates sugars and prevents the flesh from becoming watery, ensuring you harvest the dense, aromatic melons this variety is bred to produce.
Light: Full sun (6 or more hours of direct sunlight a day). Soil: Clay, High Organic Matter, Loam (Silt). Soil pH: Acid (<6.0), Neutral (6.0-8.0). Drainage: Good Drainage, Moist. Height: 6 ft. 0 in. - 9 ft. 0 in.. Spread: 1 ft. 0 in. - 3 ft. 0 in.. Spacing: 12 inches-3 feet. Growth rate: Medium. Maintenance: Medium. Propagation: Seed. Regions: Coastal, Mountains, Piedmont.
Harvesting
Burpee Ambrosia cantaloupes reach peak harvest when the skin transforms to a golden-tan color with prominent netting, the blossom end yields slightly to gentle pressure, and the fruit detaches easily from the vine with a light twist. Unlike single-harvest melons, Ambrosia produces prolifically throughout the season, so plan to pick ripe fruits every two to three days during peak production. The salmon-orange flesh should feel firm yet give minimally when pressed, and the aroma should be distinctly sweet and fragrant. A critical timing tip: harvest in early morning when the vine is cool, as melons picked in afternoon heat may not develop their full sugar content and will have shorter storage life, despite this variety's superior shelf stability compared to other cantaloupe types.
Musky-scented, spherical to oblong berry with a rind (pepo), often furrowed with yellow, white or green flesh and many seeds. The rind may be green, yellow, tan, beige or white and the surface may be smooth, rough, warty, scaly, or netted. Seeds white, about 1/2 inch long, narrow. Seeds ripen in August and September.
Color: Gold/Yellow, Green, White. Type: Berry. Length: < 1 inch. Width: < 1 inch.
Garden value: Edible, Showy
Harvest time: Fall
Edibility: Eaten fresh, wrapped in prosciutto, in salads, or as a dessert. Watery, but delicate, flavor. Avoid the seeds as the sprouting seed produces a toxic substance in its embryo.
Storage & Preservation
Fresh Burpee Ambrosia cantaloupes store best at room temperature for 3-5 days to develop full flavor and aroma. Once fully ripe (fragrant at the blossom end), refrigerate whole melons for up to one week at 36-40°F with 85-90% humidity. Cut melons keep 3-4 days refrigerated in airtight containers.
For longer preservation, freeze cubed Ambrosia flesh on parchment-lined trays, then transfer to freezer bags for up to 8 months. The texture changes but flavor remains excellent for smoothies and sorbets. Dehydrate thin slices at 135°F for 12-18 hours to create concentrated melon leather. Ambrosia's high sugar content makes it perfect for agua fresca—blend flesh with water and lime, strain, and freeze in ice cube trays for instant summer refreshers. Pickle firm, underripe melons in rice vinegar with ginger for an unexpected condiment that keeps refrigerated for 2-3 weeks.
History & Origin
Developed by Burpee, a seed company with a long heritage in American horticulture, the Ambrosia Hybrid represents the modern breeding approach applied to classic cantaloupe genetics. While specific breeder names and exact development dates remain undocumented in readily available horticultural records, the variety emerged as part of Burpee's late-twentieth-century hybrid breeding program aimed at combining superior sweetness with disease resistance and shelf life. The Ambrosia won All-America Selections status, confirming its performance across diverse growing regions. The variety builds upon cantaloupe breeding lines that prioritized both consumer appeal and commercial reliability, reflecting decades of American seed industry work to improve upon traditional varieties while maintaining the aromatic, orange-fleshed character prized in American melon cultivation.
Origin: Africa, Arabian Peninsula, India, Australia
Advantages
- +All-America Selections winner with proven exceptional sweetness and rich aroma
- +Excellent disease resistance reduces need for frequent fungicide applications
- +Thick salmon-orange flesh maintains quality longer than competing cantaloupe varieties
- +Heavy netting and consistent sizing creates attractive, marketable melons
- +Moderate difficulty makes it reliable for both beginner and experienced gardeners
Considerations
- -Susceptible to multiple pests including cucumber beetles and squash vine borers
- -Requires vigilant monitoring for downy mildew and bacterial wilt pressure
- -86-90 day maturity demands warm growing season in cooler climates
Companion Plants
French marigolds pull double duty next to Ambrosia: their scent disrupts cucumber beetles, and NC State Extension specifically calls for a solid planting of them in beds that have had root-knot nematode problems before you go back to cucurbits. Nasturtiums work as a trap crop — aphids pile onto them and leave your melon vines alone. Pull and trash nasturtium stems once they get loaded rather than letting the aphid colonies get large enough to migrate. Radishes planted at bed edges can confuse cucumber beetles during the first few weeks after transplant, which matters because those beetles are the primary vector for bacterial wilt (Erwinia tracheiphila). Bush beans are a quiet but useful neighbor, fixing nitrogen at a shallower depth than the melon's roots reach.
Skip cucumbers in the same bed entirely — they share Alternaria cucumerina, downy mildew, and the same pest complex, so planting them adjacent just doubles your exposure and makes rotation pointless. Potatoes bring their own suite of soil-borne problems and compete for similar nutrients. Fennel is the one strong aromatic herb to keep well away; it suppresses neighboring plants through allelopathic root exudates, and melon seedlings establishing over 5-10 days of germination don't need that interference.
Plant Together
Basil
Repels aphids, thrips, and flies while potentially improving melon flavor
Marigolds
Repel cucumber beetles, aphids, and nematodes that commonly attack melons
Nasturtiums
Act as trap crops for cucumber beetles and squash bugs, protecting melons
Radishes
Deter cucumber beetles and squash vine borers while loosening soil
Bush Beans
Fix nitrogen in soil and don't compete for space with sprawling melon vines
Catnip
Repels ants, aphids, and cucumber beetles that damage melon plants
Oregano
Provides general pest protection and may enhance melon growth
Sunflowers
Attract beneficial insects and provide natural support structure for vines
Keep Apart
Cucumbers
Share same pests and diseases, increasing risk of cucumber beetle infestations
Aromatic Herbs (Strong)
Strong herbs like sage can inhibit melon growth and development
Potatoes
Compete for nutrients and space, may inhibit melon vine growth
Nutrition Facts
Per 100g serving. % Daily Value based on 2,000 calorie diet. Source: USDA FoodData Central (FDC #169092)
Pests & Disease Resistance
Resistance
Excellent resistance to fusarium wilt and powdery mildew
Common Pests
Cucumber beetles, aphids, squash vine borers, thrips
Diseases
Downy mildew, bacterial wilt, alternaria leaf spot
Troubleshooting Burpee Ambrosia Hybrid Cantaloupe
What you'll see, why it happens, and what to do about it.
Seedlings wilting suddenly and collapsing, even with adequate water — usually 2-4 weeks after transplant
Likely Causes
- Bacterial wilt (Erwinia tracheiphila), spread by cucumber beetles feeding on leaves
- Cucumber beetle feeding damage at the cotyledon stage that went unmanaged
What to Do
- 1.Pull and bag any wilted plants immediately — bacterial wilt won't recover and the beetles will move to healthy plants
- 2.Use row cover at transplant to exclude cucumber beetles; remove it once flowers appear and you need pollination
- 3.NC State Extension recommends a foliar insecticide at the cotyledon stage if beetle pressure is heavy — consult the NC Agricultural Chemicals Manual for current rates
Upper leaf surfaces showing yellow angular patches; fuzzy gray-purple growth on the undersides of those same patches
Likely Causes
- Downy mildew (Pseudoperonospora cubensis) — a water mold that spreads fast in humid conditions with cool nights
- Dense canopy with poor airflow trapping leaf moisture overnight
What to Do
- 1.Remove and trash the worst-affected leaves; don't compost them
- 2.Give vines more room — Ambrosia needs 36-48 inches between plants, and crowding makes this worse
- 3.Apply a copper-based fungicide on a 7-10 day schedule once you see the first symptoms; waiting longer usually means losing the planting
Dark, sunken dry spot on the blossom end of the fruit — shows up as fruit is sizing up
Likely Causes
- Blossom-end rot from calcium deficiency in developing fruit tissue
- Fluctuating soil moisture (drought stress followed by heavy watering), which blocks calcium uptake even when calcium is present in the soil
- Overfertilization with high-nitrogen fertilizers driving rapid early growth that outpaces calcium delivery
What to Do
- 1.Lay 3-4 inches of straw mulch to even out soil moisture swings
- 2.Water consistently at 1-1.5 inches per week — irregular deep soaks are a primary trigger, per NC State Extension's vegetable gardening guidance
- 3.Test your soil pH and lime to 6.5-6.8 if needed; below 6.0, calcium availability drops even in amended beds
Small circular tan-to-brown leaf spots with darker borders scattered across older leaves, mid-to-late season
Likely Causes
- Alternaria leaf spot (Alternaria cucumerina) — a fungal pathogen that overwinters in crop debris and splashes up during rain
- Planting cucurbits in the same bed year after year without rotation
What to Do
- 1.Strip affected leaves and dispose of them in the trash, not the compost pile
- 2.Mulch the soil surface heavily to stop rain-splash transmission from infected debris
- 3.Rotate out of cucurbits — cantaloupes, cucumbers, squash — for at least 2 seasons in that bed; NC State Extension's disease management guidance points to rotation as the primary cultural fix
Frequently Asked Questions
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Growing Guides from Wind River Greens
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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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