How to Grow Scarlet Honeysuckle

Scarlet Honeysuckle

Lonicera sempervirens

vine

Scarlet honeysuckle is a vigorous evergreen to semi-evergreen woody vine native to southeastern North America, prized for its tubular scarlet-red flowers that bloom spring through summer. The plant attracts hummingbirds and other pollinators while providing ornamental foliage and berries. It grows rapidly and can cover trellises, arbors, and fences with ease.

When should you plant Scarlet Honeysuckle in your zone?

Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.

Get my Scarlet Honeysuckle timeline →

Example Scarlet Honeysuckle timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Scarlet Honeysuckle

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Scarlet Honeysuckle

    Late summer into fall

    Before the first fall frost (≈ Nov 8)

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

Growing Conditions

☀️
Sun: Full sun to partial shade; 6+ hours of direct sunlight produces the most abundant flowering
💧
Water: Moderate water needs; water deeply and regularly during establishment (first season), then reduce frequency as the plant matures. Drought-tolerant once established. Avoid overwatering, which can lead to fungal issues.
📏
Spacing: 24 inches
📅
Days to maturity: N/A (perennial vine; flowering begins in year 1-2)
🌱
Planting depth: Plant at the same depth as the root ball; scarlet honeysuckle is typically started from transplants rather than seeds

Soil

Type: Well-draining loamy or sandy soil
pH: 6.0-7.5
Amendments:
Compost or aged bark mulch Perlite for drainage improvement Organic matter to retain moisture without waterlogging

Growing Zones

Find your zone →

Thrives in USDA zones 4-9, with best performance in zones 5-8

4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b

Sign up free to see if Scarlet Honeysuckle grows in your zone — and get a personalized planting timeline.

Get my Scarlet Honeysuckle timeline →

Growth Stages

1

Establishment

First 3-4 weeks after planting

Young vine with tender new growth and developing root system. Leaves are small and vine growth is minimal.

Water consistently to keep soil moist but not waterlogged. Provide sturdy support structure. Mulch around base to retain moisture and regulate temperature. Avoid fertilizing heavily.

2

Vegetative Growth

Weeks 4-16 after planting; ongoing in subsequent years

Vine grows vigorously with rapidly lengthening stems and increasing leaf coverage. No flowers yet, or minimal flowering.

Guide vine along trellis or support structure. Maintain consistent moisture. Begin light pruning to shape and encourage branching. Apply balanced fertilizer in spring.

3

Flowering

April-July (peak); may continue into early fall

Bright scarlet-red tubular flowers appear at branch tips and leaf axils. Flowers are typically clustered and highly attractive to hummingbirds.

Continue regular watering during bloom. Deadhead spent flowers to encourage continuous blooming throughout the season. Reduce nitrogen fertilizer to promote flowering over foliage.

4

Fruiting & Maturation

Late summer through fall (August-October)

Small red to orange berries form following pollination and flowering. Vine reaches substantial size and coverage.

Allow some flowers to develop into berries for wildlife food and ornamental appeal. Prune after flowering to maintain shape and remove dead wood. Continue regular maintenance watering.

5

Dormancy & Evergreen Rest

November-March

Vine slows growth in winter. Evergreen types retain foliage; semi-evergreen types may drop some or all leaves depending on climate.

Minimal watering needed in cooler regions. In zones 4-5, provide winter protection for above-ground growth. Prune out dead or diseased wood in late winter before spring growth begins.

Companion Planting

Plan your garden →

Plant with:

Clematis (compatible vine for mixed plantings) Roses (flowering shrub partners) Hydrangeas (complementary shrub) Lavender (adds fragrance and attracting pollinators) Coreopsis (perennial flower ground cover)

Avoid planting near:

Japanese honeysuckle (Lonicera japonica – aggressive invasive vine that may cross-pollinate or compete) Black walnut (Juglans nigra – toxic juglone residues) Competitive vigorous vines (some clematis varieties, mile-a-minute)

Common Pests

  • Prune out heavily infested branches. Spray with insecticidal soap or neem oil in late spring when larvae are visible. Maintain plant vigor through proper care.

  • Spray strong stream of water to dislodge. Use insecticidal soap, neem oil, or horticultural oil. Encourage natural predators like ladybugs.

  • Increase humidity by misting. Spray with miticide or neem oil. Remove heavily infested leaves. Ensure adequate watering.

  • Prune out heavily infested stems. Apply horticultural oil spray in late winter or early spring before growth begins. Monitor regularly.

  • Improve air circulation through pruning. Apply sulfur dust or fungicide spray. Avoid overhead watering. Remove and discard affected leaves.

Uses

🦋

Hummingbird Attraction

Wildlife

The bright scarlet-red tubular flowers are highly attractive to ruby-throated hummingbirds and other nectar-feeding birds. The abundant bloom period provides essential nectar sources from spring through summer. [source]

🏠

Ornamental Screening & Landscaping

Household

Vigorous growth habit makes it ideal for covering trellises, arbors, pergolas, and unsightly fences. Provides seasonal color and year-round screening in many climates. [source]

🎨

Flower Arrangements & Botanical Display

Craft

Scarlet blooms are attractive for fresh flower arrangements and botanical displays. Long-lasting flowers when properly conditioned. [source]

💊

Traditional Herbal Use

Medicinal

Honeysuckle flowers have been used in traditional Chinese medicine and folk remedies for their potential anti-inflammatory and cooling properties. Modern herbalism occasionally incorporates honeysuckle for wellness teas, though scientific evidence is limited. [source]

🍳

Floral Garnish & Nectar Sipping

Culinary

The flowers produce a sweet nectar that can be extracted and consumed directly or used as a delicate floral garnish for desserts and beverages. Some specialty culinary uses employ honeysuckle for infusions. [source]

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

Harvest Tips

Scarlet honeysuckle is primarily ornamental and not typically harvested for consumption. However, flowers can be picked for fresh arrangements when fully open and at peak color (spring-summer). Berries may be harvested for wildlife viewing but are not edible to humans. Prune stems for propagation in early summer using soft-wood cuttings or in late fall using hardwood cuttings.

Fun Facts

  • 🌱 Scarlet honeysuckle is native to the southeastern United States and is the state wildflower of North Carolina, celebrating its beauty and ecological importance.
  • 🌱 Unlike the invasive Japanese honeysuckle, scarlet honeysuckle is non-invasive and native to North America, making it an excellent choice for native plant gardens and wildlife restoration projects.
  • 🌱 The name 'honeysuckle' comes from the sweet nectar found within the tubular flowers, which has been enjoyed by humans and wildlife for centuries—children often extract and taste the nectar by gently removing the stamen.

Gardening Terms

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

Join 30,000 gardeners planning their gardens with LizPlants.

Get your personalized Scarlet Honeysuckle planting timeline

Tell us your zip code and we'll calculate exactly when to start Scarlet Honeysuckle seeds, transplant seedlings, and harvest — based on your USDA zone and local frost dates. Includes calendar reminders and printable task lists. Free to start.

Get my Scarlet Honeysuckle timeline →