Pollination Info for Sem Ash Leaf Spirea (Sorbaria sorbifolia 'Sem')

Sem Ash Leaf Spirea is a flowering shrub that requires cross-pollination to produce fruit. The shrub produces small white or pink flowers that bloom in late spring to early summer. The flowers are attractive to bees, butterflies, and other pollinators that are needed for cross-pollination.

It is important to have other Sem Ash Leaf Spirea shrubs nearby or other similar spirea varieties to ensure proper cross-pollination. Lack of pollination can result in failure to produce fruit and seeds.

After the flowers are pollinated, the shrub will produce small brown fruit that contains the seeds. The fruit is not typically used for culinary purposes but can be collected for propagation of new shrubs.

Overall, Sem Ash Leaf Spirea is a beautiful and easy-to-care-for shrub that requires pollinators for successful fruit production and seed propagation.

Sem Ash Leaf Spirea (Sorbaria sorbifolia 'Sem') FAQ

General Information

• What is Sem Ash Leaf Spirea?

Sem Ash Leaf Spirea, also known as Sorbaria sorbifolia 'Sem', is a deciduous shrub with arching stems and ash-like leaves that turn a beautiful red in the fall. It produces creamy-white flowers in the summer, followed by reddish brown seed heads in the fall.

• How tall does Sem Ash Leaf Spirea grow?

Sem Ash Leaf Spirea typically grows between 4-6 feet tall and wide.

• What is the hardiness zone for Sem Ash Leaf Spirea?

Sem Ash Leaf Spirea is hardy in zones 3-7.

• Where is the best place to plant Sem Ash Leaf Spirea?

Sem Ash Leaf Spirea prefers full sun to partial shade and moist, well-drained soil. It can tolerate a range of soil types but prefers acidic soil. It is also tolerant of urban pollution.

Care and Maintenance

• Do I need to prune Sem Ash Leaf Spirea?

Pruning is not necessary, but if you want to maintain the shape or reduce the size of the shrub, you can prune it in the late winter or early spring.

• Does Sem Ash Leaf Spirea require any fertilization?

Sem Ash Leaf Spirea does not require fertilization, but you can apply a balanced fertilizer in the early spring if desired.

• How often should I water Sem Ash Leaf Spirea?

Sem Ash Leaf Spirea prefers moist soil but can tolerate short periods of drought once established. Water deeply once or twice a week during dry spells.

• Does Sem Ash Leaf Spirea require any special care in the winter?

Sem Ash Leaf Spirea is generally hardy and does not require any special care in the winter.

Propagation

• How can I propagate Sem Ash Leaf Spirea?

Sem Ash Leaf Spirea can be propagated by softwood or semi-hardwood cuttings in the summer or early fall, or by seed in the fall.

• When is the best time to propagate Sem Ash Leaf Spirea?

The best time to propagate Sem Ash Leaf Spirea by cuttings is in the summer or early fall when the plant is actively growing. Seeds can be sown in the fall.

• Will Sem Ash Leaf Spirea propagate on its own?

Sem Ash Leaf Spirea may self-seed in some conditions and can form a dense thicket if left unchecked.

Planting & Care for Sem Ash Leaf Spirea

Planting

• Choose a location that receives full sun to partial shade.
• Ensure the soil is well-draining and has a pH level of 5.5 to 7.5.
• Dig a hole twice the diameter of the root ball and just as deep.
• Place the plant in the hole and backfill with soil, firming it around the roots.
• Water thoroughly.

Care

• Water regularly, ensuring the soil stays consistently moist but not wet.
• Apply a balanced fertilizer in the spring, before new growth appears.
• Prune in late winter or early spring to remove any dead or damaged wood and to shape the plant.
• Protect from strong winds and heavy snowfall.