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Declaration Lilac

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  • Partial Sun to Full Sun (At Least 5 Hours of Direct Sunlight)
  • Mature Height 7 - 9 Feet
  • Mature Spread 7 - 9 Feet
  • Growing Zones 5 - 8

Like other lilacs, the Declaration is beloved in landscapes for its fragrant, attractive flowers and versatility as a shrub. In this case, the plant’s cone-shaped blooms appear up to a foot long and are a striking reddish-purple. Additionally, the Declaration lilac has a smaller, denser form than most other lilacs and only grows 7 to 9 feet wide and tall. This fairly compact form and a relatively early bloom time makes the Declaration an excellent choice for a specimen plant or screen planted where its flowers can be appreciated.

This deer-resistant lilac hybrid is an excellent producer of cut flower flowers, which attract hummingbirds and butterflies. The Declaration has deep green, heart-shaped leaves that combine with the fragrant spring blooms to make it a candidate for flowering hedges. It also works well as a specimen or to provide structure in a perennial bed.

Declaration Lilac Care

The Declaration Lilac requires at least half a day of full sun and will perform best in a site that receives full sun. It tolerates a range of soil types but prefers a moist but well-drained site that is fertile and has a neutral or alkaline soil. Plan to water once or twice per week during dry spells for the first year or two after planting; once established the lilac may only need occasional irrigation during extended hot, dry conditions.

Perform annual lilac pruning after flowers fade. Cut off spent flower panicles and remove any broken, misshapen, or unproductive stems or unwanted suckers at the base and otherwise shape the plant as desired. Lilacs flower on growth from the previous summer, so waiting too late to prune after flowering will affect the next year’s blooms.

Declaration Lilac Spacing

The Declaration is smaller than most other lilacs, and has a medium growth rate, but may take 25 years to reach its full height and spread. Space these plants about 96 inches apart as specimen plants or a bit closer together to form a hedge faster, but remember that the plant prefers good air circulation.

Declaration Lilac Information

USDA Hardiness Zones: 5 - 8
Plant Type:
Light Exposure: Partial Sun to Full Sun (At Least 5 Hours of Direct Sunlight)
Mature Height: 7 - 9 Feet
Mature Spread: 7 - 9 Feet
Spacing: 7 - 9 Feet
Habit: Upright
Flower Color(s): Purple
Flower Description:
Bloom Period: Spring
Foliage Type: Deciduous
Foliage Color(s): Green
Foliage Description:
Seasonal Interest: Spring Flowering
Watering: Average
Resists: Disease
Tolerates: Heat, Drought
Attracts: Butterflies, Hummingbirds
Container Role:
Uses: Borders, Hedges & Privacy, Mass Planting, Wildlife Gardens
Features: Attracts Pollinators, Cut Flowers, Low Maintenance
Common Name: Declaration Lilac
Other Name(s):

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Plant Addict Guarantee (Included On All Plant Orders)

Plant Addicts guarantees your plant(s) will arrive happy and healthy, but the plant(s) are being shipped through the mail and accidents happen. If the plant is dead, has dried out roots or the incorrect item was shipped just notify Plant Addicts within 3 days upon delivery. We may ask for pictures but will try to make it as easy as possible for you. Please note plant(s) with damaged branches or wilted leaves will not qualify for this guarantee. Plants are very resilient and will rebound quickly when cared for correctly.

For information on how to care for you new plant please check out our guide. Guide: How to Care for Your New Plant(s)

Plant Addicts Warranty - 1 Year (Extra Purchase Required)

We encourage all plant lovers to purchase the Plant Addicts Warranty whether you’re new or an expert. There are many variables outside our control and yours that can cause the demise of your plant(s). Examples would be hungry animals, drought, poor soil conditions, over watering, disease, insects & many other factors. The Plant Addicts Warranty is a 1 year warranty protecting you from all the unknowns and will replace your plant if it moves on to the plant afterlife.

The warranty is purchased on a per plant basis and must be purchased at the same time as the plant purchase. We will cover 100% of the price of the plant but the warranty does not cover shipping cost. Simply let us know if your plant has died within one year of receiving it and we’ll get you a new one shipped out. We may ask for photos for documentation purposes but again we’ll try to make it as easy as possible.

For more information, please go to our Shipping & Returns page at the bottom of the website.

Guide: How to Care for Your New Plant(s)

Planter Shipping

Standard Colors: 2-3 business days

Special Order Colors: 8 weeks - this is due to the planter being custom made with the color(s) of your choice

Please Note: On special orders there can not be any cancellations

Plant Shipping

Time of Order:

Summer Shipping

  • If there is extreme heat we’ll delay shipping.  
    • We’ll have to review what areas the plants are traveling through along with your location

Once your plant is shipped you’ll receive an email with tracking information. Depending on the above criteria we’ll ship your plant(s) towards beginning of the following week from your order. We put together this helpful guide of what to do when you receive your plants in the mail.

It is important to know that all of our plants are clearly labeled for which growing zones the plant can survive in. The plants are thoroughly trialed and tested in every growing zone before we state the plant can grow in a zone. Again, our #1 priority is to ship the plants to you healthy and ready to thrive in your location. So we will do everything in our power to do so.