Blacktail Mountain Watermelon
Best watermelon variety for beginner gardeners in cooler climates.
Discover the Blacktail Mountain Watermelon, an exceptionally easy-to-grow variety perfect for novice gardeners. Developed in northern Idaho, it thrives even in cooler climates, offering a reliable harvest where others might fail. Enjoy its deep green rind and incredibly sweet, red flesh. With vines reaching up to 10 feet, this watermelon is remarkably self-sufficient once established with proper mulching and watering. It's a fantastic choice for a rewarding gardening experience and delicious, homegrown fruit.
$2.70
Owner Satisfaction
4.7
/ 5
Category Rank
270
/ 5876
#270 in Seeds & Seed Tape
Price vs Category Average
-75%
Below average
Days to Maturity
70
/ days
Who it's for
- Small households preferring manageable, single-serving portions
- Short-season gardeners needing quick-maturing crops
- Flavor-focused growers wanting high-quality, sweet fruit
Who should skip it
- Urban gardeners working with limited space or containers
- Gardeners planning for large events or high-volume harvests
- Growers needing fruit with long-term storage or shipping durability
Performance breakdown
Climate Adaptability
Thrives in cooler northern regions where other varieties struggle to mature.
Beginner Friendliness
Low maintenance requirements make this an ideal choice for novice gardeners.
Harvest Speed
Reaches full maturity in just 70 days for a quick turnaround.
Flavor Profile
Delivers a reliably sweet and juicy red flesh every season.
Space Efficiency
Vines reach 10 feet, requiring significant garden space to sprawl properly.
Growth Reliability
Consistent performer that establishes well with basic mulching and watering.
Key Specs
Days to Maturity
70 days
Botanical Name
Citrullus lanatus
Seed Sowing Depth
1/2 inch deep
Optimum Soil Temperature for Germination
70-85º F
Vines length
Up to 10 feet
Rind Size
10” to 12”
USDA Hardiness Zone
Zone 6
Plant Height
Up to 10 feet
Features
- Ideal for beginner gardeners
- Adapts well to cooler climates
- Sweet, juicy red flesh
- Manageable vine length
- Low maintenance after establishment
- Reliable performer
- Quick 70-day maturity
What customers say
The Blacktail Mountain Watermelon earns high marks for both reliability and quality. Gardeners consistently report excellent germination rates, confirming the seeds are highly dependable even when planted in cooler or shorter growing seasons. The resulting fruit delivers on flavor, described as intensely sweet and crisp. This consistent performance and superior taste profile establish the Blacktail Mountain variety as a top choice, offering great value for home growers seeking a reliable, high quality harvest.
Know before you buy
No, this variety is not suitable for containers. With vines reaching up to 10 feet, these plants require significant ground space to spread and thrive.
Blacktail Mountain is a relatively quick-maturing variety, typically ready for harvest in 70 days after planting.
Yes, this variety was specifically developed in northern Idaho to thrive in cooler climates where other watermelons might struggle to ripen.
For the best results, plant the seeds 1/2 inch deep in soil that stays between 70º and 85º F. They require a location with full sun exposure to reach their full potential.
Once established, they are quite self-sufficient. You should focus on consistent watering and applying mulch to help retain soil moisture throughout the growing season.
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$3