How to Grow Autumn Fire Sedum
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Autumn Fire Sedum
Sedum × 'Autumn Fire'
succulentAutumn Fire is a hybrid sedum cultivar prized for its dramatic seasonal color change from green to fiery red and orange hues in fall. This semi-evergreen to deciduous succulent reaches 18-24 inches tall and produces star-shaped pink flowers in late summer that attract pollinators. It's an excellent low-maintenance groundcover and container plant for rock gardens and mixed succulent displays.
When should you plant Autumn Fire Sedum in your zone?
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Example Autumn Fire Sedum timeline · Pittsburgh, PA (Zone 6b)
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Plant Autumn Fire Sedum
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Autumn Fire Sedum
Late summer into fallBefore the first fall frost (≈ Nov 8)
Sample dates for Pittsburgh, PA. Sign up to get exact Autumn Fire Sedum dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 3-9; exceptionally cold-hardy for a sedum
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Establishment
4-8 weeksYoung plants develop compact green rosette clusters with minimal height. Root system is establishing.
Plant in well-draining soil. Water moderately for first 4-6 weeks until rooted. Avoid overwatering. Protect from extreme heat if planting in hot climates.
Vegetative Growth
Spring through mid-summer (12-16 weeks)Plants fill out and spread, forming dense mounds of green fleshy foliage. Height increases to 12-18 inches by mid-summer.
Minimal care needed. Water only if soil is completely dry and no rain. Light fertilizer (low nitrogen) in spring if desired. No deadheading needed.
Flowering
Late August through September (4-6 weeks)Dense clusters of small star-shaped pink to rose flowers emerge at stem tips in late summer to early fall.
Flowers attract bees and butterflies; do not deadhead if you want seeds. Leave flower heads on plant to enhance fall color transition.
Autumn Color Transformation
September through November (8-10 weeks)Foliage shifts from green to brilliant shades of red, orange, and burgundy as temperatures cool. Flower heads age to russet tones.
This is the peak season visually. Full sun exposure intensifies colors. Reduce watering as growth slows. Do not fertilize.
Dormancy
December through February (8-12 weeks)Plant enters semi-dormancy or dormancy depending on zone. Foliage may remain as dried red/brown stems or plants may go fully deciduous.
Provide excellent drainage to prevent winter rot; standing water is the main winter killer. Do not water. In zones 3-4, mulch lightly around base for extra protection in first winter. Leave dried stems on plant for winter interest.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Remove by hand; spray with neem oil or insecticidal soap if severe. Improve air circulation to prevent infestations.
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Prevent with excellent drainage; do not overwater. If present, remove affected portions and repot in fresh, dry soil. No fungicide needed with proper drainage.
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Rare; spray with water to dislodge. Use neem oil if severe. Increase humidity slightly if indoors.
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and
Hand-pick, especially at night. Copper tape barriers around containers. Remove leaf litter near plants. Rarely a major issue with succulents.
Uses
Fall Garden Color
HouseholdAutumn Fire provides reliable, show-stopping red and orange foliage in late summer and fall, serving as a seasonal focal point in landscaping without requiring annuals or seasonal planting changes. The color intensity increases with cooler temperatures and full sun exposure. [source]
Pollinator Support
WildlifeLate-season pink flowers attract bees, butterflies, and other pollinators when many other plants have stopped blooming. The nectar-rich flowers are especially valuable for insects preparing for winter. [source]
Dried Flower Arrangements
CraftThe aged flower heads and dried foliage remain attractive through winter and can be used in dried arrangements. The russet-colored seed heads add texture and interest to craft projects. [source]
Low-Maintenance Groundcover
HouseholdAutumn Fire serves as a dense, weed-suppressing groundcover that requires minimal water, fertilizer, or pruning once established, making it ideal for xeriscaping and reducing garden maintenance. [source]
Container and Rock Garden Specimen
HouseholdIts compact growth habit and dramatic color changes make it perfect for containers, raised beds, rock gardens, and alpine troughs where drainage control and visual impact are priorities. [source]
Harvest Tips
Autumn Fire is ornamental rather than edible, so harvest refers to propagation and pruning. Take stem cuttings (2-3 inches long) in spring or summer for propagation; lay on dry soil and lightly mist until roots form (2-3 weeks). For shape, pinch back tall stems in early summer to encourage bushier growth. The entire plant can be cut back by one-third after dormancy in late winter or spring if it becomes leggy. Dried flowers and seed heads can be left through winter for ornamental interest.
Fun Facts
- 🌱 Autumn Fire is a hybrid cross of Sedum spectabile and Sedum telephium, combining the hardiness of one parent with the ornamental qualities of both.
- 🌱 The plant's color transformation is triggered by anthocyanin pigment production in response to cool temperatures and increased light—the same compound that makes apples and grapes red.
- 🌱 Sedums can live for many decades in ideal conditions and are sometimes found thriving in old gardens long after the original gardeners have passed, earning them the folk name 'live forever.'
Gardening Terms
New to gardening? Learn about terms used in this guide:
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