How to Grow Flaming Heart

iNaturalist

Flaming Heart

Ipomoea lobata

vine

Flaming Heart is a tropical climbing vine known for its distinctive flame-like flower clusters that transition from red to orange to yellow as they mature. The heart-shaped foliage provides an attractive backdrop for the vibrant tubular flowers that bloom throughout the growing season. It's a tender perennial often grown as an annual in cooler climates.

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Example Flaming Heart timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Flaming Heart

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Flaming Heart

    Around Jun 16

    ≈ 60 days after planting

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

Growing Conditions

☀️
Sun: Full sun to partial shade, 6-8 hours of direct sunlight daily for best flowering
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Water: Keep soil consistently moist but not waterlogged during growing season. Water regularly, especially during hot weather. Reduce watering in cooler months. Tolerates moderate drought once established.
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Spacing: 12 inches
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Days to maturity: 60-90 days to first flowers from transplant
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Planting depth: 0.25-0.5 inches for seeds; plant transplants at same depth as nursery pot

Soil

Type: Well-draining loamy soil with moderate fertility
pH: 6.0-7.0
Amendments:
Compost or aged manure Perlite or coarse sand for drainage Balanced slow-release fertilizer

Growing Zones

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Thrives in zones 9b-11; grows as annual in zones 8 and cooler

9b 10a 10b 11a 11b

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Growth Stages

1

Seedling

2-3 weeks

Small plants with 2-3 true leaves and thin stems. First leaves are simple and heart-shaped.

Keep soil warm (70-75°F) and evenly moist. Provide bright light. Thin seedlings to strongest plants.

2

Vegetative Growth

3-4 weeks

Rapid vine elongation with increasingly larger heart-shaped leaves. Tendrils begin to develop for climbing.

Install support structure early. Water consistently. Apply balanced fertilizer every 2-3 weeks. Prune tips to encourage bushier growth if desired.

3

Budding

1-2 weeks

Flower buds form in characteristic curved clusters at leaf axils. Buds begin as deep red, tightly packed form.

Continue regular watering and feeding. Ensure adequate light exposure. Do not overwater, which reduces flowering.

4

Flowering

4-8 weeks, repeats throughout season

Blooms open in progression from red to orange to golden yellow. Multiple flower clusters appear simultaneously, creating striking color combinations.

Maintain consistent moisture. Deadhead spent flowers to encourage continued blooming. Support heavy vine growth with sturdy trellis.

5

Seed Development & Decline

Until first frost or end of season

If flowers are not deadheaded, seedpods form and mature. Vine growth may slow as energy goes to seed production. Plants decline with frost.

Collect seeds before first frost if desired. Allow to fully mature on vine. In warm zones, may continue blooming through winter.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Heavily competitive plants Plants requiring very dry conditions Dense shade-casting structures that block sun access

Common Pests

  • Spray with insecticidal soap or neem oil weekly. Introduce beneficial insects like ladybugs. Reflective mulches can deter.

  • Increase humidity with regular misting. Spray with water to dislodge. Use neem oil or miticide if severe. Remove heavily infested leaves.

  • Spray with strong water stream. Use insecticidal soap or neem oil. Encourage natural predators. Apply early in the day.

  • and

    Hand-pick in early morning or evening. Use slug traps with beer. Apply copper barriers. Remove debris where they hide.

  • Prune heavily infested stems. Spray with horticultural oil. Use neem oil for persistent infestations. Isolate affected plants.

Uses

🌿

Tropical Garden Accent

Ornamental

Flaming Heart's bi-color flower spikes create dramatic focal points in tropical and subtropical gardens, perfect for arbors, trellises, and pergolas. The progression from red to gold provides extended seasonal color. [source]

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Cut Flower Arrangement

Craft

The unique flower spikes last several days in water and add exotic appeal to fresh flower arrangements. The color transition from red to yellow offers dynamic visual interest. [source]

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Pollinator Attraction

Wildlife

The tubular flowers attract hummingbirds and butterflies, making it excellent for wildlife gardens. Provides nectar source throughout the growing season. [source]

🍳

Edible Flowers

Culinary

The flowers are edible with a slightly sweet taste and are sometimes used as garnish in gourmet cuisine. They add visual flair to dishes and salads. [source]

Harvest Tips

Flaming Heart is primarily grown for ornamental flowers rather than harvest. To encourage continuous blooming, deadhead spent flowers regularly. Collect seeds by allowing flower clusters to fully mature on the vine and dry completely before first frost; collect before cold weather kills the plant.

Fun Facts

  • 🌱 The common name 'Flaming Heart' refers to the distinctive flame-like appearance of the flower clusters, which appear to ignite as they change from deep red to golden yellow.
  • 🌱 Flaming Heart is a morning glory relative (genus Ipomoea) and is sometimes called Spanish flag or Exotic love vine in different regions.
  • 🌱 The flower buds are tightly packed together and unfold progressively, with individual flowers blooming in sequence from bottom to top over several days, creating a dynamic color-changing effect on a single spike.

Gardening Terms

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