Lilac (tree-form)
Lilac (tree-form)
Syringa vulgaris
tree☀️ full-sun🪴 loam📏 small🌡️ RHS H7
📋Quick Facts
Height
4.0-6.0m
Spread
3.0-5.0m
Water
💧💧 Average watering
Every "7-10" days
Hardiness
Zone 3-7
About
Fragrant spring blossom on a compact tree shape.
Top tip
Tree-form lilac needs sun and good air flow; prune lightly after flowering and avoid hard cutting into old wood.
Also known as: Lilo en árbol, Lilac (tree-form), Seringenboom (op stam), Syringa vulgaris, Lírio em árvore / lilás-arbóreo, Lilas en arbre, Fliederbaum, Bez lilak na pniu
Pest Resilience
3/5 — Average
Lilac borer and powdery mildew are the main concerns; bacterial blight occasionally.
Visual Characteristics
Flowers
Yes
Blooms in Spring
The lilac (tree-form) year in your garden
Dispatching imaginary bots to check your garden out...
What to do now
How to Propagate
🌰Seed
EasyThis plant produces viable seeds for propagation
🦋Wildlife & Garden Ecology
Attracts
🐦 Hummingbirds🦋 Butterflies
Great for supporting local pollinators and wildlife
Pest Susceptibility
Bacterial leaf spotBlightNeedle castLeaf miner insectMildewScale insectsStem borer insectsRabbit resistant
Monitor for these pests and treat early if spotted
Hardiness Zones
H1a (tender)H7 (very hardy)
RHS H7
USDA 4–5 equivalent