Growth Rate
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Speed: Moderate growth rate.Mature Size: Grows 8-12 feet tall and 6-10 feet wide, forming a large, upright shrub.
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Colorful leaves
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Flowering
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Yes |
Bloom Color
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Disease resistant
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Yes |
Cold Tolerant
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Yes |
Heat Tolerant
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No |
Drought Tolerant
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Yes |
Deer Resistant
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Yes |
Edible
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No |
Wildlife Attraction
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- Pollinators: Attracts bees, butterflies, and hummingbirds
- Wildlife: Deer-resistant due to its thick, aromatic foliage
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Self-pollinating
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Seasonality
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- Season: Spring through Fall
- Flowering Season: Late spring (May to June)
- USDA Hardiness Zones: 3-7
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Ideal For
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Accent or Specimen Plant: Its large, fragrant, double white blooms make it a stunning focal point in the garden during spring.
Foundation Planting: Perfect near homes or patios where its scent and flower display can be enjoyed up close.
Mixed Shrub Borders: Adds height, fragrance, and brightness to layered plantings.
Pollinator Gardens: Attracts bees, butterflies, and other beneficial insects during bloom time.
Cottage and Traditional Gardens: Complements romantic garden styles with its elegant blooms.
Cut Flower Gardens: Produces beautiful flower panicles that are ideal for fragrant spring bouquets.
Seasonal Screens or Informal Hedges: Its upright growth can help create seasonal privacy and structure. |
Leaf Description
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- Color: Dark green, heart-shaped leaves
- Shape: Broad, heart-shaped leaves with a smooth texture and pointed tips
- Size: Leaves grow 2-5 inches long
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Flower Description
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- Color: Large, double white flower panicles
- Bloom Time: Blooms in late spring (May to early June)
- Size of Blooms: Panicles are 6-8 inches long, forming dense clusters of fragrant, showy blooms
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Planting Instructions
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- Best Time to Plant: Early spring or fall
- Soil Requirements: Prefers well-drained, slightly alkaline soil (pH 6.5-7.5)
- Spacing: Space plants 5-6 feet apart
- Depth: Plant at the same depth as the root ball
- Watering Frequency: Water regularly during the first growing season
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Pruning & Maintenance
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- Pruning Needs: Prune immediately after flowering in late spring
- Winter Care: Mulching around the base in fall helps protect the roots
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Water Needs
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Watering Frequency: Water regularly during the first growing season to establish deep roots. After establishment, it is drought-tolerant but benefits from supplemental watering during dry periods.Drought Tolerance: Once established, 'Fiala Remembrance' is moderately drought-tolerant but prefers consistent moisture for optimal bloom production.
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Light Needs
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Preferred Light: Full sun (6+ hours of direct sunlight per day) is essential for the best bloom production. It can tolerate partial shade but may produce fewer flowers.
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Harvesting
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- When to Harvest: Harvest flowers when buds are half-open
- How to Harvest: Use sharp pruning shears to cut stems just above a set of leaves
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Fertilizing
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- When to Fertilize: Fertilize in early spring
- Type of Fertilizer: Use a balanced, slow-release fertilizer or organic compost
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Additional Care Tips
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- Mulching: Apply a 2-3 inch layer of organic mulch around the base
- Pests: May attract aphids or lilac borers, treat with insecticidal soap or neem oil
- Disease: Ensure good air circulation to prevent powdery mildew
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Pollination
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Self-pollinating, but attracts pollinators like bees and butterflies |
Companion Plants
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Peonies (Paeonia spp.) – bloom in sync and match the lilac’s elegance and fragrance.
Salvia nemorosa – adds vertical texture and vibrant purple color contrast.
Hosta varieties – provide bold foliage and thrive in the partial shade at lilac’s base.
Heuchera 'Lime Marmalade' or 'Obsidian' – colorful foliage contrasts beautifully with the white flowers.
Nepeta 'Walker's Low' – soft, lavender-blue blooms and mounding habit enhance lilac’s upright form.
Roses (especially shrub or David Austin types) – extend the blooming season and maintain a romantic aesthetic.
Allium giganteum – striking purple spheres bloom around the same time and offer a modern contrast.
Boxwood (Buxus spp.) – provides year-round evergreen structure and complements lilac’s seasonal flair. |