Starflower – Isotoma Fluviatilis Alba

White Star (Isotoma fluviatilis 'Alba') – Graceful, white-flowering ground cover

The White Star, also known as Isotoma fluviatilis ‘Alba’, is a low-growing perennial that enriches your garden with a carpet of fine, white flowers. This ground cover is perfect for between stepping stones, along garden paths, or in borders, providing an elegant, flowering ground from May to September.

Characteristics of Isotoma fluviatilis ‘Alba’:

• Dutch name: White Star

• Type of plant: Perennial, ground cover

• Height: 5 to 10 cm

• Blooming: From May to September

• Flower color: Pure white

• Light requirement: Partial shade to full sun

• Soil: Well-drained, slightly moist, and rich in humus

• Growth habit: Creeping and fast-growing

• Winter hardiness: Moderately winter hardy; protection recommended during severe frost

• Bee-friendly: Yes, attracts bees and other pollinators

Care tips:

The White Star quickly grows into a dense ground-covering mat. Plant it in a sunny to partially shaded spot with sufficient moisture in the soil. During dry periods, extra watering is important to stimulate blooming. Although pruning is not strictly necessary, you can lightly trim the plant in spring for compact growth. In cold winters, a layer of mulch can provide protection against frost damage.

Note: Isotoma fluviatilis 'Alba' is mildly toxic if ingested and may cause skin irritation in some people. It is advisable to wear gardening gloves when pruning or transplanting.

Why choose the White Star?

With its fine white flowers, long blooming period, and fast growth, this plant is an ideal choice for gardeners looking for a low-maintenance, graceful ground cover. It is particularly suitable for use between tiles, in rock gardens, edges, and borders. Moreover, it contributes to a natural appearance in the garden and attracts beneficial insects.