How to Grow Coral Blush

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Coral Blush

Ipomoea batatas 'Coral Blush'

vegetable

Coral Blush is an ornamental sweet potato variety prized for its striking coral-pink foliage and attractive trailing habit. It combines edible tubers with beautiful heart-shaped leaves that deepen in color as they mature. This cultivar is popular in both edible and ornamental gardens for its dual-purpose appeal.

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Example Coral Blush timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Coral Blush

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Coral Blush

    Around Jul 16

    ≈ 90 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Coral Blush dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun, 8+ hours daily for best color development
💧
Water: Moderate and consistent; water deeply when top inch of soil is dry. Avoid waterlogging. More drought-tolerant once established than many annuals.
📏
Spacing: 12-18 inches
📅
Days to maturity: 90-120 days for significant foliage; 120-150 for tuber development
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Planting depth: Plant slip cuttings 2-3 inches deep; tuber segments 1-2 inches deep

Soil

Type: Well-draining, sandy loam with organic matter
pH: 5.8-6.2
Amendments:
Compost aged manure peat moss or coconut coir

Growing Zones

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Zones 9-11; can be grown as an annual in cooler zones or in containers

9a 9b 10a 10b 11a 11b

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Growth Stages

1

Slip Development

1-2 weeks after planting

Small rooted cuttings or sprouted tuber segments establish roots and begin producing first leaves

Keep soil consistently moist but not waterlogged. Provide warmth (70-80°F). Avoid strong direct sun initially if using tender slips.

2

Vegetative Growth

4-8 weeks

Vines elongate rapidly with increasing foliage; coral-pink coloration intensifies on new leaves

Ensure full sun exposure for vibrant coloration. Fertilize every 3-4 weeks with balanced fertilizer or low-nitrogen formula to favor foliage. Provide support or allow trailing.

3

Vine Establishment

6-10 weeks

Vines spread and fill space; leaves are fully colored; root development increases underground

Maintain consistent moisture. Prune or train vines if needed. Reduce nitrogen fertilizer to encourage tuber bulking rather than excessive leaf growth.

4

Tuber Development

4-6 weeks

Underground tubers enlarge; above-ground growth slows. Vines may produce small flowers.

Continue regular watering but allow soil to dry slightly between waterings. Reduce or stop fertilizing to avoid promoting excessive vine growth.

5

Harvest Ready

Timing depends on season and location

Tubers reach edible size; foliage may show signs of stress in cool seasons

Monitor for early frost if growing in zones 8-9. Harvest before first frost or when vines decline.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Fennel Brassicas (if space is limited) Heavy feeders competing for nutrients

Common Pests

  • Use reflective mulches; spray with insecticidal soap or neem oil; introduce parasitic wasps

  • Increase humidity; spray with water; apply neem oil or miticide if severe

  • Row covers on young plants; kaolin clay spray; neem oil; avoid excessive nitrogen

  • Monitor for sawdust-like frass near base; wrap vine bases; inject Bt into affected vines; remove infested material

  • and

    Spray with horticultural oil; insecticidal soap; prune heavily infested foliage

Uses

🍳

Edible Tubers & Young Leaves

Culinary

The underground tubers are sweet and starchy, suitable for roasting, mashing, or frying. Young tender leaves and shoot tips are edible and nutritious, used in Asian cuisine similar to spinach. [source]

🌿

Container & Landscape Ornament

Ornamental

Prized for striking coral-pink foliage that creates dramatic color contrast. Excellent in hanging baskets, mixed containers, or as groundcover in warm climates. [source]

💊

Beta-carotene & Antioxidant Source

Medicinal

Sweet potato tubers are rich in beta-carotene, vitamins, and fiber with anti-inflammatory properties. Used traditionally to support eye health and immune function. [source]

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Starch & Culinary Thickener

Household

Tubers can be processed to extract starch for use as a natural thickening agent in cooking and baking. [source]

🦋

Pollinator Support

Wildlife

Delicate morning-glory-like flowers attract bees and other pollinators, providing late-season nectar. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

For foliage: Harvest leaves and shoot tips as needed once vines are established, promoting bushier growth. For tubers: Dig carefully 90-150 days after planting, before first frost. Use a garden fork to avoid damaging tubers. Handle gently and allow to cure in a warm (75-80°F), humid location for 7-10 days before storage.

Fun Facts

  • 🌱 Coral Blush is a modern ornamental selection of Ipomoea batatas, developed to emphasize foliage color while maintaining edible tuber production—representing a convergence of ornamental and edible plant breeding.
  • 🌱 Sweet potato vines can grow 6-10 feet long in a single season, making them excellent for vertical gardening or as living artwork when trained on trellises or stakes.
  • 🌱 Despite the name 'potato,' sweet potatoes are entirely unrelated to common potatoes (Solanum tuberosum); they belong to the morning glory family and are native to tropical Americas.

Gardening Terms

New to gardening? Learn about terms used in this guide:

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