How to Grow Sonic Bloom Weigela - Plant Care & Tips

By NorwichGardener Team   /   2024

Sonic bloom weigela is an ornamental shrub that is native to Korea. It is a deciduous shrub that typically grows to six feet tall and wide. The leaves are ovate to lanceolate shaped and are dark green in color. The flowers are pink or white and bloom in May to June.

How to Grow Sonic Bloom Weigela - Plant Care & Tips

Also known as

  • Scarlet weigela
  • Pink weigela
  • Crimson weigela
  • Ruby weigela
  • Wine weigela

Good to Know

  • Sonic Bloom Weigela is a deciduous shrub that typically grows to 6-8’ tall and to 8-10’ wide.
  • It is noted for producing an abundance of showy, trumpet-shaped, pink flowers which bloom in May-June.
  • Flowers are followed by large, dark green leaves which turn attractive shades of yellow, orange and red in fall.
  • Sonic Bloom Weigela is best grown in full sun to part shade in moist, well-drained soils.
  • It tolerates a wide range of soils, including clay, sand and loam, as long as they are not too wet.
  • This shrub is perfect for use as a specimen or hedge plant, or in mass plantings.
  • It is also a good choice for shrub borders or foundation plantings.
  • Weigela is generally pest and disease free.
  • Propagate by softwood cuttings taken in late spring or early summer.
  • Sonic Bloom Weigela was introduced into the Horticultural trade by Proven Winners® ColorChoice® Flowering Shrubs.

Related plant:
Sonic Bloom Red Weigela

Planting Process

  1. For sonic bloom weigela, first step is to find a healthy plant or cutting. You will also need some well-drained soil and a sunny location.
  2. Once you have your plant or cutting, dig a hole that is twice the width and depth of the plant’s root ball.
  3. Amend the soil with some compost or other organic matter to help with drainage.
  4. Gently remove the plant from its container and place it in the hole.
  5. Backfill the hole with soil, tamping it down around the plant.
  6. Water the plant well.
  7. Sonic bloom weigela should be fertilized monthly during the growing season.
  8. Prune the plant in late winter or early spring to encourage new growth.
  9. Deadhead the flowers regularly to prolong blooming.
  10. Sonic bloom weigela is generally a low-maintenance plant, but check it periodically for pests or diseases.

Related plant:
Sonic Bloom Pink Weigela

Soil Condition

About soil condition, sonic bloom weigela like a well-drained, fertile soil with a neutral to slightly alkaline pH. They are not overly fussy about soil type but prefer a loamy soil. They will not tolerate wet, heavy, or clay soils. Add organic matter to the planting hole. If you have poor drainage, consider planting on a mound.

Light condition

Similar to other members of the Weigela family, the Sonic Bloom Weigela requires full sun to partial sun in order to thrive. This means that it should be planted in an area of your yard that gets at least 6 hours of sun per day. However, it can tolerate some afternoon shade, especially in hot summer climates. If you live in an area with hot summers, you might want to plant your Sonic Bloom Weigela in an east-facing location so it can benefit from the morning sun but be protected from the harsh afternoon sun.

Ideal Temperature

The temperature conditions are ideal for the sonic bloom weigela. The plant flourishes in temperatures ranging from 60 to 75 degrees Fahrenheit. It can tolerate periods of cooler temperatures, but will not tolerate freezing conditions. The plant requires full sun to partial shade for optimal growth.

Ideal Humidity

Ideal humidity condition for this plant is 50%-60%. If the humidity is too low, the leaves will lose moisture and turn brown. If the humidity is too high, the plant will be more susceptible to fungal diseases.

Fertilizer Requirement

About fertilizer, this type of plant doesn’t need a lot of fertilizer. In fact, too much fertilizer can actually harm the plant. A light feeding in early spring is all that is needed. As for the roots, they are relatively shallow so be careful when you are watering.

Light requirement

Pruning is an important part of maintaining your sonic bloom weigela. This shrub blooms on new growth, so pruning in the late winter or early spring will encourage more flowers. You can also prune to shape the plant or to control its size.

The Propagation

Propagation of the sonic bloom weigela is best done through softwood or hardwood cuttings. Hardwood cuttings should be taken from the current year's growth and softwood cuttings should be taken from the new growth of the season. The cuttings should be about 6 inches long and should be taken from healthy parts of the plant. The cuttings should be placed in a rooting hormone and then placed in a well-draining soil mix. The cuttings should be kept moist and in a location with bright indirect light. After a few weeks, the cuttings should begin to root and can then be transplanted into individual pots.

Plant Growth

Usually, the plant growth rate is rapid during the first growing season after planting. Sonic bloom weigela typically produces full, bushy growth with plenty of new leaves and stems. However, sometimes plants may produce fewer leaves and stems if they are grown in partial shade. Plants grown in full sun usually have the best growth.

Common Problems

Common problems for this kind of plant are powdery mildew, leaf spot, and root rot. Leaf spot is caused by a fungal infection and appears as small, dark spots on the leaves. Powdery mildew is another fungal infection that appears as a white powder on the leaves. Root rot is caused by a waterlogged root system and appears as wilting and yellowing leaves.

Tips on Growing

  • Make sure to plant your sonic bloom weigela in an area that receives full sun.
  • Be sure to space your plants properly to allow for adequate air circulation.
  • Prune your plants regularly to encourage new growth and to keep them from getting too leggy.
  • Apply a thick layer of mulch around your plants to help retain moisture and keep the roots cool.
  • Water your plants deeply and regularly during the growing season.
  • Fertilize your plants with a balanced fertilizer every few weeks during the growing season.
  • Deadhead the spent flowers regularly to encourage continuous blooming.
  • Take care to not overwater or underwater your plants as both can lead to problems.
  • Keep an eye out for pests or diseases and take action immediately if you notice any.
  • Enjoy the beautiful blooms of your sonic bloom weigela all season long!

Related Plants

  • Wiegela florida
  • Wiegela florida Reveil
  • Wiegela glabrata
  • Wiegela japonica
  • Wiegela leucantha
  • Wiegela lioui
  • Wiegela longiflora
  • Wiegela longipedunculata
  • Wiegela madagascariana
  • Wiegela pubescens

Source:
Sonic Bloom! A New Solar-Powered Sculpture - Smithsonian …
JC Raulston Arboretum - Our Plants - Weigela florida 'Bokrasopea'
JC Raulston Arboretum - Our Plants - Weigela florida 'Bokrasoph'

Richelle Author Photo
Reviewed & Published by Richelle
Submitted by our contributor
Shrubs Category