How to Grow Sugar Baby Watermelon

Seeds sprout and develop 2-4 true leaves. Plants are delicate and vulnerable to cold and fungal diseases.

Plant after last frost when soil reaches 70°F. Keep soil consistently moist but not waterlogged. Thin seedlings to strongest plants. Use row covers in cool climates to retain heat.

Vines grow rapidly, developing multiple runners and large lobed leaves. No flowers yet.

Maintain consistent watering and fertilize every 3 weeks with balanced fertilizer. Remove weeds to reduce competition. Apply mulch around plants to retain moisture and regulate soil temperature. Ensure adequate spacing for air circulation.

Yellow flowers appear on the vine. Male flowers bloom first, followed by female flowers (identifiable by a small bulge behind the flower base).

Ensure pollinators have access; avoid excessive pesticide use. Bees are essential for fruit set. Provide consistent water and increase potassium-rich fertilizer to support fruiting. Do not over-fertilize with nitrogen, which promotes leaves at the expense of flowers.

Small fruits form and develop rapidly, growing to 8-10 pounds over 3-4 weeks. Fruits show characteristic dark green skin with lighter green stripes.

Reduce nitrogen fertilization. Water consistently to prevent splitting. Provide 1-2 inches of water weekly. Place straw or cardboard under developing fruits to protect from soil contact and rot. Remove weak or diseased fruits to concentrate energy into quality melons.

Fruits reach full size and develop deep color. The skin loses shine and becomes slightly dull. The bottom spot (ground spot) turns from white to pale yellow or cream.

Reduce watering slightly as fruit ripens to concentrate sugars. Monitor for harvest-ready indicators: hollow sound when thumped, prominent network of veins on skin, and slight softness at the blossom end. Harvest when fully ripe to maximize sweetness.