Spiraea betulifolia 'Thor'

Latin name: Spiraea betulifolia 'Thor'
Common Name: Birch-leaved spirea 'Thor'
Plant type: Shrub
Shape: Dwarf
Botanical family: Rosaceae

Description

Spiraea betulifolia 'Thor' is a dwarf cultivar with an extremely dense, rounded habit, prized for its bright green foliage that turns orange or red in the fall. Its white blooms in early summer are discreet but elegant, and its very compact size makes it ideal for tight borders, rock gardens, or urban plantings. Very hardy, disease-resistant, and low-maintenance, it offers a reliable, colorful, and perfectly controlled presence for simple or structured designs.

Hardiness Zone: Zone 3

Exposure: Sun
Watering: Moderate watering
Fertilization: Slow-release fertilizer 14-7-14 or 4-2-8. Fertilize monthly or as directed on the bag. Add Myke at planting.
Soil type: Neutral to slightly acidic, well drained
Minimum temperature: '-40°C

Foliage type: Obsolete
Foliage color: Green

Height: 60 to 80 cm (24 to 31 inches)
Width: 1 m (3 feet)
Growth rate: fast

Animaux
Sans danger pour les animaux domestiques

Animaux

Pollinisateurs
Attire ou nourrit les insectes pollinisateurs

Pollinisateurs

Papillons
Fleurs attirant les papillons

Papillons

Répulsif
Aide à repousser certains nuisibles

Répulsif

Cerfs
Peu appétent ou toléré par les cerfs

Cerfs

The availability of our shrubs changes with the seasons. Don't hesitate to contact us to find out what's currently in stock! These fact sheets are here to inspire you and help you make the right choice.