Japanese Lilac Tree Description, Varieties, Problems & FAQs

Japanese Lilac Tree has a moderate growth rate, a growing habit, and a round shape. It is a Bunches of white, fragrant flowers about a foot long and 10 inches wide. The tree is a native of eastern Asia. It is grown as an ornamental in North America and Europe. The lilac tree is found in Southeastern Russia, Northern Japan, and Northern China. In 1876 the tree lilac was introduced into cultivation. The tree growth rate is moderate. Its Hardiness zone is Hardy in USDA Zones 3 to 7.


Japanese Lilac Tree General Information

Japanese Lilac Tree

It’s Common NameTree Lilac
Botanical NamesSyringa Reticulata
Plant TypeTree
Sun ExposureFull Sun to Partial Sun
Bloom TimeJune
Native AreaEast Asia
Soil PHNeutral to Slightly acidic
Hardiness Zones3 to 7
The Type of SoilWell Drained with average fertility and average moisture
Flower ColorCreamy White


Description of the Lilac Tree

Growth Habit and FormThe Lilac tree grows 20 to 30 feet with a spread of 15 to 25 feet.
LeavesLeaves size is 3 to 5 inches long, simple, opposite, entire, ovate.
Flowers12 inches long flowers are creamy-white and borne in long panicles
Fruits3 and a half inches long fruits is a brown warty, dry capsule
BarkBark and stems are glossy reddish-brown

The Growing Process of Japanese Lilac Trees

Japanese Lilac Tree

Late winter or early spring is the best time to grow this tree. You can also plant the tree, Late Falls. During planting it is a good idea to give them enough space so that they get good air circulation. Main things to follow


Well-drain soil is very good. You must mix compost into the ground when planting the trees. This is very important for clayey soils.



Full sun is very helpful to grow the Japanese Lilac Tree. In Partial sun it will survive but it does not produce so many flowers.



The ground must be moist but make sure it is well-drained. Mulch will help conserve water. Proper water retention means you don’t have to water the plant too often.



Although the lilac trees can live in soils with average fertility, they do better in more fertile soils. Every spring mix soil amendment is very important into the ground to feed the plant. If you feel need a boost you can buy extra fertilizer. Before applying the extra fertilizer you must read the instructions on the bag very carefully.


Japanese Lilac Trees Varieties

Japanese Lilac Tree

It includes

Japanese Lilac Tree (Reticulata)

Amur Lilac Tree (Pekinensis)

Chinese Lilac Tree (Amurensis)


Cultivars Include

Summer SnowA small tree, this tree is more tolerant of pollution than the species tree, making it a great road tree.
Chantilly LaceFor this partial sun is better. In variegated Foliage, this is one of the few choices. In this case, it carries a creamy yellow margin.
Ivory SilkIvory silk is the most popular Cultivar and its maximum height is 25 feet.
Ivory PillarIt is 25 feet tall and 15 feet wide. It is a Japanese lilac sport a columnar


Japanese Lilac Trees Problems

The problems are

Bacterial Blight

Wood Rots and Decays

Lilac Borer



Here are some questions and answers

1〉 How tall does a Japanese Lilac tree get?

20 to 30 Feet Tall.


2〉 Do Lilac trees Smell good?

Yes, it is one of the plant world’s most fragrant blooms.


3〉 Are Japanese lilac trees Poisonous to Dogs?

No, the plants are not poisonous to animals or not toxic to the human at all. Never be afraid if your pet also wants to sample herb flavors.


4〉 How Long, do Lilac trees take to grow?

Most of the plants start to bloom after three or four years but some can take as long as six or seven.


5〉 How big do Lilac trees grow?

The common lilac tree grows 12 to 15 feet tall but the Japanese tree lilac grows 25 to 30 feet tall.


6〉 How Fast do lilac trees grow?

Each year Lilac trees grow 12 to 18 inches.


7〉 How much water does a Japanese Lilac tree need?

It requires full sun and deep watering every 7 to 10 days.


8〉 When can you trim a Japanese Lilac tree?

It includes Pekingensis and Reticulata. Japanese Lilac must be pruned in early spring. The leaves can be pruned in summer after full size.


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