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Full growing guide
Shrub · Zones 5–9
Buddleja hybrid
Butterfly Bush Monarch® 'Blue Knight'
$46.99
The short version
A shrub for full sun.
Bee-friendly. The bees use it.
Zones 5–9Full sunLow waterNot pet-safe
Stock
In stockTracking the day it leavesPromise
Arrives aliveOr we replace it. HowSpacing and size
4–5 ft apart.
Restocks and new drops, in the Shop app.
The story
Blue-purple, late and long.
A dense, rounded mound of soft green leaves covered from midsummer into fall with flower spikes that open lavender and deepen to blue-purple. Butterflies find it the first week.
Light
Full sun. In shade it gets leggy and blooms thinly.
Water
Water weekly the first summer. Established plants are drought tolerant.
Planting
Plant in spring so it establishes before winter. Avoid wet, heavy soil.
Big late-season color and pollinator traffic in a shrub-border-friendly size.
The facts
Size3–4 ft tall, 4–6 ft wideShowMidsummer to frostLightFull sunZones5–9WaterLow, let it dryGood forBee-friendly, Deer-resistant, DroughtPetsNot pet-safe; keep out of reach
Plays well with
Complete the planting.
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