About Buddleja glomerata H.Wendl.
Taxon and Height
Buddleja glomerata H.Wendl. typically reaches a height of 1–3.5 metres (3 ft 3 in – 11 ft 6 in), and has white-tomentose branchlets.
Leaf Arrangement and Size
Its leaves grow in opposite pairs, are shaped ovate or elliptic, and measure 1.5–8.5 centimetres (0.59–3.35 in) long by 0.7–4 centimetres (0.28–1.57 in) wide.
Leaf Margins and Petioles
The leaves have heavy lobing that creates undulate margins, with petioles 0.2–1.3 centimetres (0.079–0.512 in) long.
Leaf Coloration
New leaves are silver-grey when they first emerge, and mature to bluish-green.
Inflorescence Size
The plant produces a terminal panicle inflorescence less than 15 centimetres (5.9 in) in diameter.
Inflorescence Structure and Flowers
This inflorescence is made up of congested cymes that form sub-globose heads, each containing 10–20 faintly-scented yellow flowers.
Flower Anthers
Yellow anthers protrude from the flowers' corollas.
UK Flowering Period
In the UK, flowering begins in May, with sporadic blooming continuing through the rest of summer.
UK Introduction History
This shrub was first introduced to commercial trade in the UK in the late 1990s.
UK Cultivation Hardiness
In the UK, it has been found to be hardy down to −7 °C (19 °F) when grown against a south-facing wall.
Ex Situ Cultivation
The species is cultivated as part of the NCCPG national collection held at Longstock Park Nursery, near Stockbridge, Hampshire.
USDA Hardiness Zones
It falls into hardiness USDA zones 8–9.