80-100days to harvest
4-12days to germinate
Z4–11USDA zones
Moderatedifficulty
F1 hybrid

Sowing

Direct sow when soil temperature reaches 70°F, or start indoors 2-3 weeks before transplanting. Plant in hills with 2-3 seeds per hill.

Cultivation

Sun
Full sun (6+ hours)
Water
1-2 inches per week, deep watering
Soil
Well-drained sandy loam, rich in organic matter
Soil pH
6.0-7.0
Spacing
36-60 inches
Height
4-8 inches
Season
Warm season

Appearance & flavour

Colour
Light green with dark green stripes, deep red flesh
Size
15-25 lbs
Shape
Round to oval
Flavour
Very sweet with crisp, juicy texture and classic watermelon flavor

In the kitchen

Fresh eating, fruit salads, juicing, picnics, summer gatherings

Pests, disease & resistance

Pests
Cucumber beetles, aphids, squash vine borers, spider mites
Diseases
Powdery mildew, downy mildew, bacterial fruit blotch, gummy stem blight
Resistance
Resistant to anthracnose and fusarium wilt

Planting calendar by USDA zone

ZoneStart indoorsTransplantDirect sowHarvest
2May – JuneJulyJuly – AugustOctober – September
3MayJune – JulyJune – AugustOctober
4April – MayJuneJune – JulySeptember – October
5AprilMay – JuneMay – JulySeptember – October
6AprilMay – JuneMay – JulySeptember – October
7March – AprilMayMay – JuneAugust – October
8MarchApril – MayApril – JuneAugust – September
9FebruaryMarch – AprilMarch – MayJuly – August
10January – FebruaryMarchMarch – AprilJune – August
11JanuaryFebruaryFebruary – MarchMay – July
12JanuaryFebruaryFebruary – MarchMay – July
13JanuaryFebruaryFebruary – MarchMay – July

Companion planting

8 beneficial pairings indexed for this variety, 3 to avoid.

NasturtiumsRepels cucumber beetles, aphids, and squash bugs that commonly attack melons
MarigoldsDeters nematodes and various insects while attracting beneficial pollinators
RadishesHelps break up compacted soil and may deter cucumber beetles and squash vine borers
BeansFixes nitrogen in soil to benefit heavy-feeding melons without competing for space
SunflowersProvides natural trellis support and attracts pollinators and beneficial insects
OreganoRepels aphids, cucumber beetles, and other pests while attracting beneficial insects
CornProvides wind protection and vertical growing space without root competition
CatnipStrongly repels aphids, ants, and cucumber beetles that damage melon plants

Avoid

PotatoesCompete for similar nutrients and may harbor diseases that affect melon family plants
FennelInhibits growth of most garden plants through allelopathic compounds
SageMay inhibit melon growth and development through allelopathic effects

Nutrition (per 100 g)

Calories (per 100 g)
30
Protein (g)
0.61
Fat (g)
0.15
Carbohydrate (g)
7.55
Fibre (g)
0.4
Sugars (g)
6.2
Vitamin A (µg)
28
Vitamin C (mg)
8.1
Vitamin E (mg)
0.05
Vitamin K (µg)
0.1
Vitamin B6 (mg)
0.045
Folate (µg)
3
Calcium (mg)
7
Iron (mg)
0.24
Magnesium (mg)
10
Phosphorus (mg)
11
Potassium (mg)
112
Zinc (mg)
0.1
Selenium (µg)
0.4

Where to buy seed and equipment

Some links are affiliate links. If you buy through them we may earn a commission at no extra cost to you.

Growing it? There is a full cultivation guide at the melons growing guide.

Cultivar facts compiled from public horticultural references including USDA GRIN and NC State Extension. Descriptions are original to this catalogue.

DarkGrow forum

Grown Watermelon Crimson Sweet?

Post a crop report — day counts, reservoir readings, what worked. Variety-specific logs are the most useful thing on the forum.

Similar varieties

Other melons with a comparable time to harvest, so a season that suits Watermelon Crimson Sweet suits these too.

Browse all 38 melons