Sorbaria 'Mr. Mustard'

False Spirea 'Mr. Mustard' (Sorbaria sorbifolia ‘Mr. Mustard’). Sorbaria sorbifolia 'Mr. Mustard' is a vigorous and very decorative deciduous shrub, prized for its bright, vibrant yellow foliage that brightens up beds, borders, and informal hedges from spring until the first frosts. This false spirea cultivar develops a spreading, generous habit, quickly forming a light, textured clump, ideal for landscape beds, the back of borders, or green screens. In summer, plumes of cream-colored flowers rise above the foliage, attracting butterflies and pollinators, and the plant offers an interesting silhouette even in winter.

When planting False Spirea 'Mr. Mustard', choose a suitable exposure: sun to partial shade. The recommended soil is well-drained, tolerates moist. Water the root ball before planting and ensure water can drain after planting. During establishment, check moisture by hand before watering again. Spread mulch around the base, leaving the crown clear. Avoid systematic fertilizer applications without considering soil richness. In Quebec, choose a period when the ground is thawed and easy to work.

Allow a width of 1.5 m (5 ft) to arrange this plant's space in the garden. The indicated height of 1.2 m (4 ft) helps choose its position relative to neighboring plants. Maintain access to the base for weeding, checking moisture, and removing damaged parts. Combine this variety with plants that have compatible light and water needs. If considering a container, first check that its volume and drainage are suitable for root development. Roots in pots are more exposed to cold than those planted in the ground.