How to Grow Crimson Jewel

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Crimson Jewel

Prunus avium 'Crimson Jewel'

tree

Crimson Jewel is a dwarf cherry tree cultivar known for its ornamental red foliage and small, dark red cherries. This compact tree is ideal for small gardens and containers, offering both aesthetic appeal and edible fruit production. It typically reaches 8-10 feet in height, making it one of the smaller cherry varieties available.

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Example Crimson Jewel timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Crimson Jewel

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Crimson Jewel

    Late summer into fall

    Before the first fall frost (≈ Nov 8)

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

Growing Conditions

☀️
Sun: Full sun, 6-8 hours daily minimum; more sun promotes better fruit and deeper red foliage color
💧
Water: Moderate and consistent moisture; water deeply after planting and during dry spells. Avoid waterlogging; allow soil to dry slightly between waterings. Increase watering during fruiting season.
📏
Spacing: 120 inches
📅
Days to maturity: 2-3 years for first fruit production
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Planting depth: Plant at same depth as root ball; do not bury graft union

Soil

Type: Well-draining loamy soil with moderate fertility
pH: 6.0-7.0
Amendments:
Compost at planting Peat moss or coconut coir Perlite for drainage Balanced fertilizer in spring

Growing Zones

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Zones 5-8; prefers regions with distinct seasons and winter chilling hours

5a 5b 6a 6b 7a 7b 8a 8b

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Growth Stages

1

Establishment

First year

Young tree with developing root system and primary branch structure. Height 2-3 feet at planting.

Water regularly to establish roots. Apply 2-3 inches of mulch around base. Do minimal pruning except to remove damaged wood. Support with stake if needed.

2

Vegetative Growth

Year 2-3

Tree grows vigorously with increasing height and branch development. Red foliage intensifies; white spring blossoms appear.

Prune to develop open center or vase shape. Remove crossing or inward-growing branches. Fertilize in early spring with balanced formula. Thin dense growth.

3

Flowering

2-3 weeks in spring (varies by zone)

Abundant white flowers with light pink tinges appear in spring before or as foliage emerges. Very ornamental stage.

Protect from late frosts which can kill flowers. Do not fertilize with high nitrogen as it reduces flowering. Ensure adequate sunlight for bloom production.

4

Fruit Development

6-8 weeks

Small green berries appear and gradually enlarge, developing dark crimson color as they ripen. Tree continues growing.

Thin fruit if crowded to promote larger cherries; remove every other fruit on heavily laden branches. Continue regular watering. Watch for pest activity.

5

Ripening & Harvest

2-4 weeks (early to mid-summer)

Cherries develop full deep red to nearly black color; become soft and sweet. Foliage remains ornamentally red.

Harvest when fully colored and slightly soft. Handle gently to avoid bruising. Protect from birds with netting if desired. Prune diseased or dead wood after harvest.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Walnut trees (black walnut produces allelopathic juglone) Grass (close to trunk; remove sod) Shallow-rooted plants that compete for water

Common Pests

  • Use pheromone traps in early summer; remove fallen fruit; spray with spinosad if needed in June-July

  • Remove egg bands in winter; prune out tents when small; apply Bt (Bacillus thuringiensis) spray

  • Spray with neem oil or insecticidal soap; remove affected leaves

  • Use bird netting over fruit in summer; hang reflective tape or fake predators

  • Spray with strong water stream; use insecticidal soap or neem oil in spring

  • Remove mummified fruit; improve air circulation through pruning; avoid wounding branches

Uses

🍳

Fresh eating and desserts

Culinary

The small, sweet dark cherries are excellent for fresh eating straight from the tree. They can be used in desserts, jams, and preserves. [source]

🌿

Landscape ornament

Ornamental

The deep red foliage, spring white flowers, and compact size make it an excellent ornamental specimen tree for small gardens and patios. The red coloring persists through the growing season. [source]

🦋

Wildlife food source

Wildlife

Birds and other wildlife are attracted to the fruit and flowers, supporting local ecosystems and pollinators. [source]

🏠

Container growing

Household

The dwarf stature allows Crimson Jewel to thrive in large containers on decks and patios, making it accessible for small-space gardeners. [source]

Harvest Tips

Harvest cherries when fully dark red and slightly soft, usually early to mid-summer. Pick with stems attached by gently twisting or use pruning shears. Taste one to confirm sweetness before harvesting the crop. Early morning picking ensures best flavor. Cherries do not ripen off the tree, so harvest only when fully ripe.

Fun Facts

  • 🌱 Crimson Jewel cherries are self-fertile, meaning they can produce fruit without a pollinator partner, though cross-pollination with another cherry tree increases yields.
  • 🌱 The distinctive deep red foliage is retained throughout the growing season, making this tree ornamental even when not in fruit or flower.
  • 🌱 Sweet cherry trees like Crimson Jewel require 300-900 chilling hours (depending on cultivar) during winter dormancy to fruit properly, which is why they thrive in temperate zones but struggle in warm climates.

Gardening Terms

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

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