annual fruit vine
Crimson Sweet watermelon
Needs heat, space, and warm soil.
Growing Profile
- Hardiness
- Zones 5a-11a
- Sun
- Full
- Soil
- SandyLoam
- Water
- Medium
- Deer pressure
- Not rated No deer-resistance category is assigned yet; treat browsing risk as local and variable.
- Black walnut
- Better near black walnut Use as a black walnut / juglone planning cue; tolerance varies by cultivar, soil, and distance from the tree.
- Planting depth
- Plant 0.5-1 in deep
- Container min
- 15+ gal (limited)
- Goals
- FruitVegetables & herbs
Harvest & Use
- Window
- mid to late summer melons
- Yield return
- 3-10 lb/plant/season
- First output
- 80-100 days
- Best for
- FruitVegetables & herbs
Harvest window: mid to late summer melons. Once established, the current pound-return model uses 3-10 lb/plant/season with a harvest window of 2-5 weeks.
Plant photos
What it looks like in the garden
Use these photos to compare the plant's leaves, stems, flowers, fruit, and overall habit before you buy or plant.
Photos show a representative plant in the garden. Fruit color, size, and growth habit can vary by cultivar, season, nursery stock, and site.
Photo sources: Famartin / Wikimedia Commons (CC BY-SA 4.0)
Quantitative Profile
- Pound return
- 3-10 lb/plant/season
- 10-year return
- 30-100 lb/10 yrs
- Full output
- This season
- Mature size
- 1-2 ft H x 6-12 ft W
- Spacing
- 3-4 ft in-row x 5-6 ft rows
- Planting depth
- Plant 0.5-1 in deep
- Container min
- 15+ gal (limited)
- Productive life
- 1 yrs
- Difficulty
- 3/5
- Reliability
- 3/5
- Data quality
- Medium profile, Medium yield confidence
Pound return is the stock-style yield metric. These are planning ranges for comparing plants, not guarantees. Cultivar, rootstock, climate, soil, pruning, pest pressure, and wildlife can move actual results.
Planting Checklist
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Trellis or trellis netting
Support / Install earlyTrain vining crops upward to save space, improve airflow, and keep fruit cleaner.
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Soil thermometer
Timing / Before plantingCheck whether spring soil is actually warm enough for direct sowing, transplanting, and tender warm-season crops.
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Fruit tree and berry fertilizer
Nutrition / After establishmentSupport fruiting wood, bloom, and recovery after establishment once soil needs are known.
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Soil test kit or lab mailer
Site prep / Before plantingCheck pH and baseline nutrients before adding amendments, especially for fruiting crops, native beds, and acid-loving plants.
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Plant labels
Planning / Planting dayTrack cultivar, planting date, and variety when comparing harvests or pollination partners.
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Garden clips or cover fasteners
Protection / At plantingSecure row cover, frost cloth, shade cloth, and young plant supports without tying permanent knots.
- View
Hand trowel
Tools / Planting dayPlant starts, herbs, flowers, bulbs, and smaller container plants at the right depth.
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Insect netting
Protection / At plantingExclude common chewing and flying pests from vulnerable vegetables, herbs, and young fruit plantings.
Yield curve
Estimated Pound Return
Projected annual yield ramp from establishment to full production, using the current sourced range for Crimson Sweet watermelon.
- Year 1
- 3-10 lb First-year estimate from the sourced curve.
- Year 5
- 3-10 lb
- Year 10
- 3-10 lb
- 10-year total
- 30-100 lb/10 yrs
Shaded band shows the sourced low-to-high pound-yield range. The line tracks the midpoint for quick comparison.
Method: direct pound yield from crop metric source. Annual crops assume one comparable planting per year; perennial crops ramp from first bearing to full production.
Planting Strategy
- Planting depth: Plant 0.5-1 in deep
- Container minimum: 15+ gal (limited). Use 15+ gal and compact varieties; large vines are better in-ground.
- Start with one plant when testing fit in a new bed or container.
- Plant more than one when harvest volume or pollination is the main goal.
- Use the pairing map below to choose nearby companions or compatible varieties.
Risk Factors
- Match the site first: full light, sandy, loam soil, and medium water.
- Use 3-4 ft in-row x 5-6 ft rows as the first spacing model; adjust for hedges, trellises, containers, or local guidance.
- Plan around mature size: 1-2 ft H x 6-12 ft W.
- For harvest planning, treat "mid to late summer melons" and 3-10 lb/plant/season as planning ranges, not guarantees.
- Local drainage, pests, chill hours, wildlife pressure, and microclimates can change the result.
Related Planning Guides
Comparable Plants
Companion Plants & Pairings
Compatible Cultivars
Cucumbers, squash, and melons need steady pollinator traffic, so nearby flowering herbs and annuals are useful bed neighbors.
Use it: Put flowers at row ends, trellis bases, or bed edges so pollinators visit without flowers disappearing under vines.
Sources & Methodology
This guide combines hardiness range, light, soil, water, harvest timing, traits, supplier links, plant relationships, and quantitative planning metrics. Pairings are screened for practical garden fit.
Quantitative values use extension and botanical-reference ranges where available. For less-studied cultivars, similar crops fill gaps conservatively. Ranges are intentionally broad so the profile stays useful without pretending to be exact.
Planning sources: University of Minnesota Extension - Crop and Field Planning Tools for Vegetable FarmersLSU AgCenter - Expected Vegetable Garden YieldsUniversity of Maryland Extension - Planting a Tree or ShrubUniversity of Maryland Extension - Starting a Home Fruit GardenUGA Extension - Growing Vegetables Organically
Affiliate listing: Amazon. Search links are not paid placements unless explicitly marked; affiliate listings may earn a commission. Last reviewed: 2026-05-31.