How to Grow Pink Diamond
Pink Diamond
Photinia × fraseri 'Pink Diamond'
shrubPink Diamond is a evergreen ornamental shrub valued for its striking bright pink to red new foliage that matures to deep green. It's a cultivar of the Photinia hybrid, prized for year-round color and compact growth habit. This versatile shrub works well as a specimen plant, hedge, or accent in landscapes.
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Example Pink Diamond timeline · Pittsburgh, PA (Zone 6b)
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Plant Pink Diamond
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 Pink Diamond
Late summer into fallBefore the first fall frost (≈ Nov 8)
Sample dates for Pittsburgh, PA. Sign up to get exact Pink Diamond dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 8-11, with best performance in zones 9-10
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Get my Pink Diamond timeline →Growth Stages
Establishment
3-6 monthsYoung transplant with compact form and vibrant pink new growth emerging from terminals
Water frequently to establish roots. Apply 2-3 inches of mulch around base, keeping it away from stem. Avoid heavy pruning in first year.
Active Growth
Spring through fallPlant fills out with dense foliage; bright pink flushes appear regularly as new leaves emerge, then mature to glossy deep green
Fertilize monthly during growing season with balanced shrub fertilizer. Light pruning encourages more branching and pink foliage flushes. Maintain consistent moisture.
Flowering
4-6 weeks (spring and sometimes fall)Small white or pale pink flowers appear in clusters (panicles) among the foliage, typically in spring and sometimes fall
Flowers are secondary to foliage; deadheading is optional but can encourage more growth flushes. Continue regular watering and feeding.
Fruiting
Summer through fallSmall red pea-sized berries develop from flowers, eventually turning dark red to black
Berries are ornamental and can be left on plant. Birds may feed on mature berries. No special care needed.
Dormancy/Maintenance
Late fall through winterPlant slows growth in winter in cooler zones; foliage may deepen in color. Minimal new pink growth appears.
Reduce watering in winter. Apply mulch for frost protection in zone 8. Prune in early spring before active growth begins to maintain shape and encourage pink flush.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Ensure good air circulation through pruning. Avoid overhead watering. Remove infected leaves. Apply copper fungicide in spring and maintain proper spacing.
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Handpick early morning when beetles are sluggish. Use insecticidal soap or neem oil for severe infestations. Apply in early summer before peak activity.
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Spray with strong water stream to dislodge. Use insecticidal soap or neem oil. Encourage natural predators like ladybugs.
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Maintain consistent moisture levels. Spray foliage with water to increase humidity. Use miticide if infestation is severe.
Uses
Landscape focal point and accent
OrnamentalPink Diamond's striking bright pink new foliage makes it an excellent specimen plant or accent shrub in gardens and landscapes. The contrast between vibrant pink emerging leaves and deep green mature foliage provides year-round color and visual interest. [source]
Hedge and screening
HouseholdDue to its compact, dense growth habit, Pink Diamond is excellent for creating formal or informal hedges, privacy screens, and windbreaks. Regular pruning maintains a neat appearance while encouraging more colorful pink growth flushes. [source]
Cut foliage and arrangements
HouseholdStems with vibrant pink new growth can be cut for fresh floral arrangements and are highly valued by florists and gardeners. The colorful foliage lasts weeks in water when properly conditioned. [source]
Bird habitat and food source
WildlifeThe small red to black berries produced on Pink Diamond provide food for birds including robins and thrushes. The dense foliage also offers shelter and nesting sites for various bird species. [source]
Ornamental edibility research
CulinaryWhile primarily ornamental, some Photinia species have berries that are edible when fully ripe (dark red to black), though they are tart and rarely used in cooking. Primarily grown for landscape value rather than fruit. [source]
Harvest Tips
Not harvested for food. For ornamental purposes, selectively prune new growth shoots to encourage more colorful pink flushes. Prune in early spring and again in early summer. Cut stems with vibrant pink foliage make attractive floral arrangements.
Fun Facts
- 🌱 Pink Diamond is a hybrid cultivar that combines the heat tolerance of Photinia serrulata with the ornamental foliage characteristics of Photinia glabra, making it well-adapted to warm climates.
- 🌱 The bright pink coloration of new foliage is a natural pigment (anthocyanin) that develops as a sunscreen mechanism; plants in full sun develop more intense pink coloring than those in partial shade.
- 🌱 In warmer climates like zone 10-11, Pink Diamond can produce new colorful flushes nearly year-round if regularly pruned, whereas in cooler zones (8-9), the main flush occurs in spring with minor flushes in summer and fall.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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