How to Grow Mountain Fire
Wikimedia Commons
Mountain Fire
Photinia × fraseri 'Mountain Fire'
shrubMountain Fire is a hybrid photinia cultivar prized for its vibrant red new growth that matures to deep green. This evergreen shrub grows quickly and can reach 12-15 feet tall, making it popular as a hedge, screen, or specimen plant. It produces small white flowers in spring followed by red berries that ripen to black.
When should you plant Mountain Fire 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.
Example Mountain Fire timeline · Pittsburgh, PA (Zone 6b)
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Plant Mountain Fire
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 Mountain Fire
Late summer into fallBefore the first fall frost (≈ Nov 8)
Sample dates for Pittsburgh, PA. Sign up to get exact Mountain Fire dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 6-9, with best performance in zones 7-9
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Get my Mountain Fire timeline →Growth Stages
Establishment
4-8 weeksYoung shrub recovering from transplant shock with initial leaf drop possible
Water regularly and deeply; protect from harsh sun and wind; avoid fertilizing immediately after planting
New Growth/Foliage Color
Continuous, spring and early summer peakBright red to crimson new leaves emerge throughout growing season, particularly in spring
Prune strategically to encourage more red new growth; maintain consistent moisture; full sun exposure enhances red coloration
Flowering
3-4 weeks, typically April-MaySmall clusters of white flowers appear along branch tips
No specific action needed; flowers are ornamental but not showy; light pruning before flowering is acceptable
Fruiting
6-8 months, summer through winterSmall red berries develop from spent flowers, maturing to black
Monitor for pests attracted to berries; berries persist and provide winter interest and wildlife food
Maintenance/Dormancy
Ongoing, autumn through early springShrub remains evergreen with mature dark green foliage and persistent black berries
Prune in late winter to early spring to shape and encourage spring red growth; minimal care needed once established
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Improve air circulation, avoid overhead watering, prune infected branches, apply fungicide if severe
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Inspect regularly, remove heavily infested branches, apply horticultural oil in dormant season
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Increase humidity, spray with water, apply miticide if severe, particularly in dry conditions
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Prune infected shoots, improve drainage and air circulation, avoid wounding branches
Uses
Privacy hedges and screens
HouseholdMountain Fire's dense foliage and rapid growth make it ideal for creating privacy screens and windbreaks. It can be shaped into formal hedges or allowed to grow as an informal evergreen barrier. [source]
Landscape specimens
HouseholdThe striking red new growth makes Mountain Fire an excellent focal point in gardens. Plant as a specimen tree or in groups for dramatic color contrast against darker foliage. [source]
Wildlife food and shelter
WildlifeThe persistent black berries attract birds and wildlife throughout fall and winter. Dense branching provides shelter for nesting birds and small mammals. [source]
Cut foliage arrangements
CraftThe bright red new growth and mature green leaves are popular in floral arrangements and landscaping designs. Cuttings can be used fresh or dried for decorative purposes. [source]
Seasonal interest
HouseholdMountain Fire provides multi-season visual appeal with red spring growth, white spring flowers, red summer berries maturing to black, and evergreen structure in winter. [source]
Harvest Tips
Not applicable - this is an ornamental shrub. Prune in late winter to early spring (February-March) to maintain shape and encourage vibrant red new growth. Remove any damaged or diseased wood year-round. For maximum red foliage, avoid heavy pruning in fall.
Fun Facts
- 🌱 Mountain Fire is a hybrid between Photinia glabra and Photinia serrulata, combining the best ornamental qualities of both parent species.
- 🌱 The intensity of red coloration in new growth is enhanced by cool temperatures and full sun exposure, making it especially vibrant in spring and fall.
- 🌱 In some regions, Mountain Fire susceptibility to leaf spot diseases has led to its replacement by more disease-resistant alternatives like Photinia × fraseri 'Red Tip' in humid climates.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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