Tom Thumb Cotoneaster

Cotoneaster apiculata ‘Tom Thumb’

A miniature Cotoneaster that forms a dense, low-growing mound, covered with shiny, dark green leaves that turn bright red in fall. Plants easily spread to three feet around and eventually more because limbs root where they touch the ground. This deciduous shrub with red berries was introduced from Germany in the 1960’s.

• Garden Size: 2’H x 3’W
• Dwarf: 2-4″/year
• Habit:  Spreading
• Hardiness:  Zone 5
• Exposure:  Sun to Partial Shade

Many perennials and bonsai plants will have a ‘winter look’ that differs from how they look when actively growing.  Colder temperatures and short days alter the appearance of these plants as they go thru seasonal changes.  Some plants require this reboot to bloom and/or perform at their best during the growing season.  Plants may remain semi-dormant until early spring.  Rest assured that these cosmetic changes do not adversely affect the health of your plant. 

Bonsai Basic Care: Hard

Watering: Bonsais require careful watering. The frequency depends on the species and the climate, but generally, the soil should be kept slightly moist. Check the soil daily, and water thoroughly when the top layer feels dry.

Light: Most bonsai trees prefer bright, indirect light. A few hours of direct sunlight early in the morning or late in the afternoon is beneficial, but a direct midday sun can be harmful, especially in hotter climates.

Soil/Drainage: To prevent water retention and root rot, use a well-draining bonsai-specific soil mix.

Temperature/Humidity: Depending on the species, bonsai trees can be kept indoors or outdoors. Indoor bonsais generally prefer temperatures between 60-75°F and benefit from increased humidity, which can be achieved through daily misting or humidity trays.

Feeding: Fertilize your bonsai regularly during the growing season. Use a balanced, water-soluble fertilizer every few weeks or as recommended for the specific type of tree.

Pruning/Training: Pruning is essential to maintaining the shape and health of a bonsai. Regular pruning of the roots and canopy is necessary. Training with wires can also shape branches and direct growth.

Repotting: Most bonsai trees require repotting every 2-5 years to prevent root crowding and replenish nutrients in the soil. This is best done in the spring.

General Tips: Regularly inspect for pests and diseases. Bonsai trees are susceptible to insect infestations and fungal infections, which should be treated promptly to keep the tree healthy.

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