Shrub

Buddleja davidii ‘Empire Blue’

Butterfly Bush 'Empire Blue'
Loved by Pollinators Fragrant Scent Hardiness H6

Buddleja davidii ‘Empire Blue’ is a large shrub producing violet-blue flower clusters through summer. Its arching branches and scented blooms create movement and fragrance, making it ideal for wildlife-friendly planting. Loved by pollinators, it thrives in sunny Irish borders and coastal gardens alike.
SKU: BUD-3L-TJ9M6C
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Flowering Months
Jan J
Feb F
Mar M
Apr A
May M
Jun J
Jul J
Aug A
Sep S
Oct O
Nov N
Dec D
Size
Max Height
2.5 m — 4.0 m
Max Spread
2.5 m — 4.0 m
Growth Habit
Densely branched plant with compact, leafy, rounded overall shape.
Planting Position
Sunlight i Indicates how much direct sunlight the plant needs each day. Full sun means 6+ hours, part shade is filtered or morning sun, and full shade is little to no direct sun.
Full Sun Part Shade
Aspect i Aspect refers to the direction the planting spot faces (north, south, east or west). It affects light levels, warmth and exposure.
South East West
Exposure i Exposure describes how sheltered or exposed a plant’s position is, particularly to wind and weather.
Exposed / Sheltered
Hardiness i Hardiness indicates how well a plant tolerates cold conditions outdoors. Higher ratings generally mean greater frost tolerance.
(−20 to −15 °C) Very cold-hardy
Ideal Soil Conditions
Soil Type i Soil type describes the texture of the soil (clay, sand, loam, chalk). This affects drainage, nutrients and how roots grow.
Chalk Clay Loam Sand
Soil Moisture i Soil moisture tells you how wet or dry the soil should be for best growth. Match this to your garden conditions for healthier plants.
Moist but permeable / Free draining
Soil pH i Soil pH measures how acidic or alkaline the soil is. It affects nutrient availability and can impact plant growth.
Acid Alkaline Neutral
Plant Uses & Merits
Uses
  • Patios / Courtyards
  • Coastal Areas
  • Flower Borders
  • Against Wall
Merits
  • Fragrant
  • Loved By Pollinators

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