How to Grow Korean Lilac Bush - Plant Care & Tips

By NorwichGardener Team   /   2024

Korean lilac bush is a beautiful plant that can be found in many gardens. It is a member of the rose family and is native to Korea. The korean lilac bush has small, pink flowers that bloom in the spring. The plant is also known for its pleasant fragrance.

How to Grow Korean Lilac Bush - Plant Care & Tips

Also called

  • Butterfly bush
  • Summer lilac
  • Wedding bush
  • Sweet scented bush
  • Star of Bethlehem

Common Knowledge

  • The korean lilac bush is a deciduous shrub that can grow up to 6 feet tall.
  • It has dark green leaves that are ovate in shape and measure up to 4 inches long.
  • The korean lilac bush produces white or pale blue flowers that are slightly fragrant.
  • The blooming period for the korean lilac bush is from late spring to early summer.
  • The korean lilac bush is native to Korea, Japan, and China.
  • It is often used as an ornamental plant in gardens and parks.
  • The korean lilac bush is relatively easy to care for and is drought tolerant.
  • It does best in full sun to partial shade and requires well-drained soil.
  • The korean lilac bush is susceptible to powdery mildew and leaf spot.
  • It is generally pest and disease free.

Planting Process

  1. For korean lilac bush, first step is to choose a sunny spot in your garden with well-drained soil.
  2. Korea lilac bush prefers soil that is on the acidic side, so if your soil is not naturally acidic, you may need to amend it before planting.
  3. Once you have chosen your planting spot, dig a hole that is twice the width and depth of the korean lilac bush's root ball.
  4. Gently remove the korean lilac bush from its container and loosen any tangled or matted roots.
  5. Place the korean lilac bush in the hole so that the top of the root ball is level with the soil surface.
  6. Backfill the hole with soil, tamping it down lightly as you go.
  7. Water the korean lilac bush deeply immediately after planting.
  8. Spread a 3-inch layer of mulch around the base of the korean lilac bush, being careful not to pile the mulch up against the stem.
  9. Water the korean lilac bush regularly during its first growing season, keeping the soil moist but not wet.
  10. Fertilize the korean lilac bush in early spring with an all-purpose fertilizer.

Related plant:
Korean Spice Bush

The Soil

About soil condition, the korean lilac bush prefers well-drained, fertile soils, and tolerates a wide range of pH levels. It is not particular about soil type, but does best in loamy soil. This shrub is moderately tolerant of salt.

About light

Similar to other lilac bushes, the Korean Lilac bush requires full sun to partial sun in order to bloom. It is important to choose a planting location for your Korean Lilac bush that will offer it at least 6 hours of sun each day. If you are unsure of how much sun your yard gets, you can always ask your local nursery or gardening center for advice.

The Temperature

The temperature condition is perfect for the Korean lilac bush. It is warm enough for the plant to grow, but not so hot that the leaves will scorch. The humidity will also help to keep the leaves from drying out.

Humidity Requirement

Ideal humidity condition for this plant is achieved when the soil is kept moist but not waterlogged. The leaves of the Korean lilac bush will start to droop when the plant needs water. To maintain constantly moist soil, place the pot on a pebble tray or use a humidifier. During the summer, when the plant is actively growing, it will need to be watered more frequently.

Fertilizer Requirement

Discussing fertilizer, this family of plant is known to be rather forgiving. A general-purpose fertilizer will suffice, and you can even get away with skipping a feeding or two if you're forgetful. Just be sure to fertilize before new growth appears in spring. When it comes to watering, once established, these tough plants are drought-tolerant. In fact, too much water can be as detrimental as too little, leading to root rot.

Light requirement

Pruning your korean lilac bush is important to encourage new growth and maintain the shape of the plant. You should prune in late winter or early spring, before new growth begins. Cut back about one-third of the previous year's growth, making sure to cut at an angle just above a bud.

The Propagation

Propagation of korean lilac bush is by rooting semi-ripe cuttings taken in mid-summer. Cuttings should be about 10-15 cm long with a heel. Place the cuttings in a potting mix of peat and sand and insert them about 2.5 cm deep. Keep the potting mix moist and in a warm location. Rooting should occur within 4-6 weeks. Once the plants are rooted, they can be transplanted into individual pots and grown on until they are large enough to plant in the garden.

Plant Growth

Usually, the plant growth rate during the spring and summer, when the plant is actively growing. However, some bushes may experience a growth spurt during the fall. The rate of growth varies depending on the species and cultivar of korean lilac bush.

Basic Problems

Common problems for this kind of plant are over watering, under watering, and pests. Over watering can lead to fungal problems and root rot, while under watering can cause the leaves to turn yellow and the plant to wilt. Pests such as aphids, scale, and mealybugs can infest the plant and cause problems.

List to Know

  • Remember to water your Korean lilac bush regularly, as it tends to be quite drought-tolerant.
  • Place your bush in an area that receives full sun for at least six hours per day.
  • Fertilize your plant every two to three weeks using a balanced fertilizer.
  • Prune your bush regularly to encourage new growth and to keep it from becoming too leggy.
  • Keep an eye out for pests and diseases, and treat accordingly if necessary.
  • Harvest the flowers from your bush when they are in full bloom for the best display.
  • Cut back the stems of your bush after flowering has finished for the season.
  • Divide your bush every three to four years to keep it healthy and vigorous.
  • Apply a layer of mulch around your bush in late fall to protect it during the winter months.
  • Enjoy the beautiful flowers and foliage of your Korean

Substitution

  • Purple shamePlant of lampranthus genus. Distributed in eastern and southern parts of africa.
  • SpicebushPlant of lindera genus. Distributed in eastern north america.
  • Meadow ruePlants of thalictrum genus. It is a perennial flowering plant.
  • PurplebroomPlant of cytisus genus. It is a perennial shrub in the family fabaceae.
  • LobeliaPlants of lobelia genus. It is a flowering plant in the bellflower family campanulaceae.
  • Spindle treePlants of euonymus genus. distributed in east asia and north america.
  • BuddlejaPlants of buddleja genus. It is native to asia, africa and america.
  • Crepe myrtlePlants of lagerstroemia genus. It is native to east as

Source:
Korean Lilac - Syringa oblata | North Carolina Extension …
Syringa pubescens subsp. patula 'Miss Kim' (Miss Kim Korean Lilac…
Special Lilacs — Yard & Garden Report - ag.ndsu.edu

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