How to Grow Scarlet Sage Firecracker

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Scarlet Sage Firecracker

Salvia splendens 'Firecracker'

flower

Scarlet Sage Firecracker is a vibrant annual or short-lived perennial cultivar prized for its brilliant red tubular flowers that attract hummingbirds and butterflies. This cultivar produces compact, bushy plants with dense spikes of fiery red blooms that appear from early summer through frost. The striking color and prolific flowering make it a favorite for borders, containers, and pollinator gardens.

Looking for a specific variety?

Firecracker Victoria Blue Purple Majesty Black and Blue Blue Bedder Sizzler Series

When should you plant Scarlet Sage Firecracker in your zone?

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

Plant Scarlet Sage Firecracker
Around Apr 17

Near Pittsburgh's average last spring frost.
Tend & protect
Late spring–summer

Watering, feeding, and pest-watch reminders.
First Scarlet Sage Firecracker blooms
Around Jun 16

≈ 60 days after planting

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

Growing Conditions

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Sun: Full sun, 6-8 hours daily (can tolerate partial shade but flowering reduces)

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Water: Moderate watering; keep soil consistently moist but not waterlogged. Water at soil level to avoid wetting foliage. Once established, plants tolerate some drought but perform best with regular watering.

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Spacing: 12 inches

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Days to maturity: 60-90 days from transplant to first flowers

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Planting depth: Seeds: press into surface or barely cover (needs light to germinate); transplants: plant at same depth as container

Soil

Type: Well-draining loamy to sandy soil

pH: 6.0-7.0

Amendments:

Compost or aged manure for organic matter Perlite or sand for drainage improvement Balanced slow-release fertilizer

Growing Zones

Find your zone →

Thrives in zones 3-11; typically grown as annual in cooler zones, perennial in zones 9-11

3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b

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Growth Stages

Seedling

2-3 weeks

Tiny seedlings with first true leaves appearing; very delicate with fine root system. Cotyledons are small and oval.

Keep soil moist but not soggy. Provide bright indirect light or grow lights 2-3 inches above seedlings. Maintain 65-70°F for best germination.

Vegetative Growth

4-6 weeks

Plants develop bushy form with multiple sets of narrow, lance-shaped green leaves. Stem strengthens and branches multiply. No flowers yet.

Pinch growing tips when 4-6 inches tall to encourage bushier growth. Gradually acclimate to full sun. Fertilize weekly with balanced fertilizer at half strength.

Bud Formation & Early Flowering

2-3 weeks

Flower spikes develop at stem tips with tight clusters of unopened red buds. Lower flowers begin opening from bottom of spike upward.

Maintain consistent moisture and full sun exposure. Reduce nitrogen fertilizer; switch to higher phosphorus formula to support flowering. Deadhead spent flowers to encourage more blooms.

Peak Flowering

8-12 weeks or until frost

Dense spikes of brilliant scarlet tubular flowers fully open along stems. Hummingbirds and butterflies actively visit. Plant maintains full, rounded form.

Deadhead spent flower spikes regularly for continuous blooming. Water deeply during hot periods. Apply balanced fertilizer every 2 weeks. Pinch leggy growth to maintain compact habit.

Late Season & Frost Decline

Until first frost or end of season

Flowering slows as temperatures drop. Plant may show stress in cooler climates. In frost-free zones, flowering may continue intermittently through winter.

In cool climates, plants will die back after first frost (32°F). In zones 9-11, cut back stems by half in late fall to encourage spring growth. Reduce watering as flowering slows.

Companion Planting

Plan your garden →

Plant with:

Dusty Miller Lantana Zinnia Marigold Verbena Petunias Impatiens Vinca Angelonia Pentas

Avoid planting near:

Plants requiring cool, moist conditions Heavy shade-loving plants Allelopathic plants like black walnut

Common Pests

Spray with water to dislodge; use neem oil or insecticidal soap if severe. Increase humidity by misting. Ensure adequate air circulation.
Yellow sticky traps to monitor and control adults. Spray undersides of leaves with insecticidal soap or neem oil weekly for 2-3 weeks.
Ensure good air circulation. Apply sulfur dust or potassium bicarbonate spray. Remove infected leaves. Avoid overhead watering.
Spray with strong water stream. Use neem oil or insecticidal soap. Attract beneficial insects like ladybugs.
and
Handpick early morning or evening. Use beer traps or copper barriers. Apply diatomaceous earth around base of plants.

Uses

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Hummingbird Nectar

Wildlife

Scarlet Sage Firecracker is highly attractive to hummingbirds, ruby-throated hummingbirds in particular, due to its tubular red flowers and nectar production. The plant provides essential energy and nutrition throughout the growing season and attracts these remarkable pollinators to gardens. [source]

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Butterfly & Pollinator Support

Wildlife

The flowers attract various butterfly species and other pollinators including bees and long-tongued insects. The continuous blooming from summer to frost provides an extended nectar source for migrating monarchs and resident butterfly populations. [source]

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Traditional Herbal Uses

Medicinal

Salvia species have been used in traditional medicine for various purposes. While Salvia splendens is primarily ornamental, related Salvia species contain beneficial compounds and have been studied for anti-inflammatory properties. [source]

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Edible Flowers

Culinary

The bright red flowers are edible and can be used as garnish for cocktails, salads, and desserts to add visual appeal and a mild flavor. Always ensure the plant has not been treated with pesticides before consuming. [source]

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Cut Flower Arrangements

Household

Scarlet Sage flower spikes make excellent long-lasting cut flowers for floral arrangements. They retain their vibrant color and structure for 7-10 days in a vase with fresh water. [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 Sage is grown for ornamental flowers rather than harvest, but deadheading spent blooms extends flowering season significantly. Pinch off flower spikes just below the lowest open flowers when they begin to fade. For seed saving (if allowed to set seed), allow some flower spikes to mature and dry on plant; collect seeds when spikes turn brown and papery.

Fun Facts

🌱 Hummingbirds are so attracted to Scarlet Sage Firecracker that a single well-planted garden can support dozens of visits per day during peak bloom season.
🌱 The 'Firecracker' cultivar was selected specifically for its compact growth habit and prolific early flowering, making it one of the most reliable bedding salvias for commercial nurseries.
🌱 Salvia splendens is native to Brazilian tropical regions and was introduced to European gardens in the 1820s, where it quickly became a Victorian garden favorite.

Gardening Terms

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

Annual Cultivar Deadhead Full Sun Germination Partial Shade Perennial pH True Leaves

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