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By Maxim Kaufman — Founder & CEO, Organo Republic
Updated July 2026
Imperial 45 is a classic netted cantaloupe and a dependable garden favorite. Its round, heavily netted fruit ripens to deep orange, sweet, and aromatic flesh on productive vines, giving you full-flavored melons in about 85 days. Here is what makes this variety special and how to get the best from it.
This is the quick guide to Imperial 45. For the full step-by-step on starting seeds, sowing, feeding, and troubleshooting melons, see our complete guide to growing melons from seed.
Quick start
Sow Imperial 45 seeds half an inch to an inch deep in warm soil, starting indoors 3 to 4 weeks early in cooler regions or direct-sowing once the ground is above 70F. Grow on a rich, mounded hill in full sun, thinning to the two or three strongest plants and giving the long vines 4 to 6 feet to sprawl. Expect ripe, netted cantaloupes in about 85 days. Harvest when the fruit slips easily from the vine, the netting turns tan, and the blossom end smells sweet.
Best tip
Imperial 45 is a productive, reliable cantaloupe, but it needs heat and a dry finish to reach full sweetness. Keep water steady while the vines run and the fruit sizes up, then ease off in the last week or two so the sugars concentrate. In cool-summer regions, start seeds indoors early and grow on black plastic to bank warmth, and always let bees pollinate freely by avoiding sprays during flowering.
| Cucumis melo var. cantalupensis | |
| Warm-season annual vine | |
| 3 to 12 (grown as a summer annual) | |
| Full sun (8+ hours) | |
| ~85 days from transplant | |
| Vines 6 to 8 ft long (or trellised) | |
| 18 to 24 inches apart; hills 4 to 6 ft | |
| Deep and even; ease off as fruit ripens |
Imperial 45 is a classic dessert cantaloupe, best enjoyed fresh. Serve it in wedges or cubes, add it to fruit salads, wrap it in prosciutto, or blend the aromatic orange flesh into smoothies, sorbets, and agua fresca. Rich in vitamins A and C and wonderfully juicy, a single ripe melon is a highlight of the late-summer table.
How long does Imperial 45 cantaloupe take to mature?
Imperial 45 ripens in about 85 days from transplant, making it a dependable mid-season cantaloupe. Start seeds indoors 3 to 4 weeks before your last frost, or direct-sow once the soil is warm, and you can expect sweet, netted melons by late summer.
How big are Imperial 45 melons and what do they taste like?
Imperial 45 produces classic round cantaloupes of about 4 to 5 pounds with heavy tan netting over a firm rind. Inside is deep orange, aromatic flesh with the sweet, musky, honeyed flavor gardeners expect from a top-quality netted melon.
How do I know when Imperial 45 is ripe?
Like other cantaloupes, Imperial 45 slips when ready: the stem pulls cleanly from the fruit with a gentle tug. Look for the netting to turn tan and corky, the background rind to shift from green to gold, and a sweet, fragrant aroma at the blossom end.
Any tips for growing Imperial 45 well?
Give Imperial 45 full sun, rich soil, and steady water while the vines run and fruit swells, then ease off watering in the final week or two so the melons finish sweet. Mulch under the fruit to keep it clean, and let bees do their work by avoiding sprays during flowering.
Ready to grow your own? Heirloom-quality Imperial 45 gives you sweet, netted cantaloupes all summer. For the full step-by-step, see our complete melon growing guide linked at the top of this page.
Want more melons? These value packs pair Imperial 45 with other varieties:
By Maxim Kaufman — Founder & CEO, Organo Republic
Maxim founded Organo Republic in 2017 and personally selects, tests, and grows the heirloom, non-GMO varieties the company offers. Under his leadership, Organo Republic was named Agri Business Review’s Top Non-GMO Seed Variety Solution 2026.
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Lures aphids & squash bugs away from your crops
Improves neighbors' flavor, deters hornworms
Attracts ladybugs & lacewings that eat aphids
Attracts hoverflies, boosts neighbors' vigor
Draws pollinators, repels moths & deer
Draws pollinators, doubles as a living trellis
Attracts butterflies, bees & ladybugs
Traps aphids, feeds beneficial insects
Brings bees, hoverflies & parasitic wasps
Its blooms feed aphid-eating hoverflies
Repels cabbage moths & carrot flies
Aromatic pest shield for veggies & vines
Draws parasitic wasps that hunt pests
Repels aphids, squash bugs & flea beetles
Ladybug & hoverfly hub for the whole bed
Keeps pollinators coming all season
Trap crop for flea beetles, protects your vines
Feeds roots for stronger, faster-growing plants
Bee balm that pulls in bees & hummingbirds
Citrus-scented bee magnet for fruiting crops
Lacy blooms that draw predatory wasps