Light Needs
Mature Height
Mature Spread
Growing Zones
A stunning variety and a garden favorite! Paul Thirion Lilac, Syringa vulgaris, is a deciduous shrub with fragrant flowers. This classic lilac will wow you and pollinators alike with its irresistible aroma and breathtaking color. Panicles of pink-purple flowers are produced in late spring. Buds begin with a deep purple color and open into lavender and pink blossoms. Green, heart-shaped leaves add to the beauty of this darling plant.
Paul Thirion Lilac grows to a height of 12 feet, with an upright, multi-stemmed form. This low-maintenance and deer-resistant shrub is perfect for borders and looks marvelous in mass plantings. Its erect, spreading habit with dense leaves makes it a great plant for privacy screening. Paul Thirion Lilac flowers look phenomenal in floral arrangements and will bring their lovely floral scent into your home!
Paul Thirion Lilac Care
Full to partial sun is needed to grow this captivating lilac. Full sun will result in more blooms. Paul Thirion Lilac performs best in average, well-drained soil with a pH of 6 to 7.5. Water regularly during the summer months, being careful not to overwater. Paul Thirion Lilac can benefit from fertilization in the spring to encourage multitudes of luscious leaves and flowers, and will grow well with little maintenance.
Deadhead regularly to upkeep the appearance of this shrub. Buds for next year’s season are produced in the middle of summer, so prune immediately after flowering is finished in spring. Take special care not to remove next season’s buds. As lilacs age, flowering typically diminishes and is confined to the top of the plant. Older and lower stems should be regularly removed to encourage an even distribution of flowers. This shrub may also produce suckers at its base that can be removed as they appear.
Paul Thirion Lilac Spacing
Paul Thirion Lilac has a spread of 8 feet and requires ample spacing for air circulation and light. It should be planted in the back of a border, and is fine for planting under power lines.
Paul Thirion Lilac Plant Facts
Growing Conditions
- Hardiness ZonesGrowing Zones
- USDA Zones 3 to 7 (perennial); grown as an annual elsewhere (outdoors year-round); grown indoors elsewhere (outdoors year-round); grown in containers elsewhere (grown as a seasonal crop)
- Sun Exposure
- Part Sun to Full Sun (5+ Hours Direct Sun)
- Mature Height
- 12 Feet
- Mature Spread
- 8 Feet
- Growth Habit
- , Upright
- Water Needs
- Average
Flowers & Foliage
- Flower Colors
- , Pink, Purple
- Flower Description
- Pink, Purple
- Bloom Time
- Late Spring
- Blooms On
-
Old Wood
?
"Blooms on" tells you which stems produce flowers, which decides when it's safe to prune.
- New Wood: Flowers form on stems that grow this season. Prune in late winter or early spring without losing blooms.
- Old Wood: Flower buds form on last year's stems. Prune right after flowering. Pruning in fall or early spring removes next year's blooms.
- Both New and Old Wood: Blooms on last year's stems and again on new growth, so it flowers even after a hard winter or a mistimed pruning. Prune lightly after the first flush of blooms.
- When to Prune
- Right after flowering
- Foliage Color
- , Green
- Foliage Description
- Green
- Foliage Type
- , Deciduous
- Seasonal Interest
- , Spring Flowering
Garden Benefits
Plant Overview
- Common Name
- Paul Thirion Lilac
- Also Known As
- Paul Thirion Lilac
- Botanical Name
- Syringa vul. 'Paul Thirion'
- Plant Type
- Shrub
Simple Plant Spacing Calculator
Please Note: The pictures below are to give a general representation of the different container sizes. The actual size/ages of plants are estimates and will vary based on type of plant, time of year, last pruning & many other factors.
Also Known As:
Quart
Plant Age:
~ 6 months - 1 year
Plant Size:
~ 4"-8"
Pot Size:
~ 4.75"H x 4.5"W
Volume:
1.50 quarts
Also Known As:
2.5 Quart Pot
Plant Age:
~ 1 - 2 years old
Plant Size:
~ 8"-12"
Pot Size:
~ 6.5"H x 6.5"W
Volume:
2.20-2.30 quarts
Also Known As:
#1 Container
1 Gallon
Plant Age:
~ 1 - 2 years old
Plant Size:
~ 10"-14"
Pot Size:
~ 7"H x 7.75"W
Volume:
2.26-3.73 quarts
Also Known As:
#2 Container
2 Gallon
Plant Age:
~ 1.5 - 3 years old
Plant Size:
~ 12"-18"
Pot Size:
~ 9.5"H x 9.5"W
Volume:
1.19-1.76 gallons
Also Known As:
#3 Container
3 Gallon
Plant Age:
~ 2 - 4 years old
Plant Size:
~ 12"-30"
Pot Size:
~9.5"H x 11"W
Volume:
2.32-2.76 gallons
Also Known As:
#5 Container
5 Gallon
Plant Age:
~3-4 years old
Plant Size:
~ 20" - 60"
Pot Size:
~11" H x 10 1/2” W
Volume:
3.5 - 4 gallons
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Plant Addicts ships to the lower 48 states within the U.S. Unfortunately, we do not currently ship to Alaska, Hawaii, or internationally.
This plant cannot be shipped to the following states: AK, HI. These restrictions apply only to this specific plant due to agricultural regulations or other limitations. Other plants may still be available for shipping to these states.
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