How to Grow Silver Moon

Wikimedia Commons

Silver Moon

Rosa 'Silver Moon'

vine

Silver Moon is a vigorous climbing rose known for its large, single white flowers with prominent golden stamens that bloom profusely in early summer. This rambler-type rose can reach 20-30 feet and produces clusters of fragrant blooms along long, flexible canes. It's a classic heirloom variety bred in 1910, prized for its ornamental value and ability to cover large structures.

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Example Silver Moon timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Silver Moon

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Silver Moon

    Late summer into fall

    Before the first fall frost (≈ Nov 8)

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

Growing Conditions

☀️
Sun: Full sun, 6-8 hours daily minimum; performs best with 8+ hours
💧
Water: Deep watering 1-2 times weekly during growing season; keep soil consistently moist but not waterlogged. Reduce watering in winter. Avoid overhead watering to prevent fungal diseases.
📏
Spacing: 24 inches
📅
Days to maturity: Establishes in 2-3 years, begins major blooming in year 2-3
🌱
Planting depth: Plant bare-root roses at graft union slightly below soil surface (zones 5-6) or at soil level (zones 7-9); container roses at same depth as pot

Soil

Type: Well-draining loamy soil rich in organic matter
pH: 6.0-6.5
Amendments:
compost aged manure peat moss perlite for drainage

Growing Zones

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Thrives in zones 5-9, with best performance in zones 6-8

5a 5b 6a 6b 7a 7b 8a 8b 9a

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Growth Stages

1

Establishment

6-12 months

First-year plant develops strong root system and basal canes. Leaves emerge in spring with minimal flowering.

Water regularly and deeply. Apply 3-4 inches of mulch. Support canes on structure. Avoid heavy pruning; remove only dead wood and weak canes.

2

Vegetative Growth

4-6 months during growing season

Long, flexible canes extend rapidly, reaching 8-10 feet. Plant produces abundant foliage along stems.

Train canes horizontally along support to encourage lateral flowering shoots. Tie in new growth gently. Continue deep watering.

3

Flowering

4-6 weeks peak bloom, sporadic blooms may continue

Clusters of large white single flowers with golden stamens appear along the length of canes, typically blooming once in early summer (May-June in northern zones).

Deadhead spent flowers to encourage some repeat blooming. Do not prune flowering canes during bloom. Ensure adequate water and nutrient availability.

4

Post-Bloom Growth

4-6 months

Plant produces hips (seed pods) after flowering and continues secondary vegetative growth on lateral shoots.

Allow some hips to form for ornamental value; remove others to redirect energy. Encourage new cane development for next season's blooms.

5

Dormancy

3-4 months

Canes harden off and lose foliage. Plant enters winter rest period.

Prune in late winter (February-March before spring growth). Remove dead, diseased wood and thin out overcrowded canes. Prune lateral shoots to 3-4 eyes. Do not prune main canes severely.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Black walnut (produces juglone) Fennel (allelopathic) Rue (allelopathic)

Common Pests

  • Hand-pick in early morning, use pheromone traps away from roses, apply neem oil or insecticidal soap, encourage natural predators

  • Strong water spray to dislodge, apply insecticidal soap, use neem oil, introduce beneficial insects like ladybugs

  • Increase humidity with overhead misting, apply horticultural oil or neem oil, ensure adequate water, prune infected foliage

  • Improve air circulation, avoid overhead watering, apply sulfur dust or baking soda spray (1 tbsp per gallon water), remove infected foliage

  • Remove infected leaves immediately, improve air circulation, water at soil level only, apply copper fungicide, rake up fallen leaves

  • Remove and destroy infected plants, control spider mite population, no cure; prevention is key

Uses

🍳

Rose Water & Petals

Culinary

Fragrant petals can be used to make rose water, floral syrups, and culinary garnishes. Only use roses grown without pesticides for consumption. [source]

💊

Herbal Remedies

Medicinal

Rose petals and hips (fruit) have been traditionally used in herbal teas for digestive support, skin health, and anti-inflammatory properties. [source]

🏠

Cut Flowers & Arrangements

Household

Exceptional cut flower with long vase life. The large white blooms with golden centers are stunning in fresh arrangements and wedding floristry. [source]

🎨

Dried Flowers & Potpourri

Craft

Petals dry beautifully and retain fragrance, making them ideal for crafting potpourri, dried flower arrangements, and botanical crafts. [source]

🦋

Pollinator Support

Wildlife

The open single flowers provide abundant pollen and nectar for bees, butterflies, and beneficial insects, supporting pollinators throughout the blooming season. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Silver Moon is an ornamental rose grown for cut flowers and garden display, not harvested like edibles. Cut flowers in early morning when buds are beginning to open. Strip lower foliage, cut stems at 45-degree angle, and place immediately in cool water. Flowers last 5-7 days indoors. For maximum garden display, deadhead spent blooms to encourage continued flowering.

Fun Facts

  • 🌱 Silver Moon was bred in 1910 by the American rose breeder Dr. W. Van Fleet and was named after the full moon, reflecting the luminous quality of its white petals under moonlight.
  • 🌱 Unlike hybrid tea roses, Silver Moon is a rambler that blooms once per season but produces spectacular profusion of flowers that can number in the hundreds on mature plants.
  • 🌱 This variety can live for 50+ years and is often found growing on old structures in heritage gardens and abandoned homesites, demonstrating exceptional longevity and disease resistance.

Gardening Terms

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

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