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Mount Baker Lilac

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  • Partial Sun to Full Sun (At Least 5 Hours of Direct Sunlight)
  • Mature Height 12 - 15 Feet
  • Mature Spread 12 - 15 Feet
  • Growing Zones 4 - 8

Lilacs are classic shrubs for gardens around the world, largely for their fragrance. Mount Baker Lilac (Syringa x hyacinthiflora Mount Baker) offers that lovely lilac fragrance in a pure white flower. This lilac blooms early, typically in late spring. With its height (up to 15 feet at maturity) and spread of nearly 12 feet, use this gorgeous plant as an aromatic border screen. Or just feature it near the front of your home or your back deck or patio.

Mount Baker works well as a privacy screen or border because of its large and dense growth. The flower stems are about 6 inches long and are filled with small white single flowers. They contrast well with the deep green leaves. Small birds and some pollinating insects will visit the flowers. This lilac can bloom and shine in full or part sun in zones 4 through 8, another plus.

Mount Baker Lilac Care

Place your Mount Baker where it can get at least 4 hours of sun a day and up to full sun. Be sure to pick a spot with plenty of room up and across to let it grow to its full potential. It will grow best in soil that remains somewhat moist but that drains water well. They prefer soil that is neutral to slightly alkaline in pH. 

Water the lilac well after planting and fairly regularly after that. Just be sure the soil is draining water so that it doesn’t puddle. After it is established, which can take a few years, fertilize annually with an all-purpose fertilizer for shrubs. Avoid applying nitrogen-heavy lawn fertilizers near the plant; they will cause more leaves to grow but fewer flowers. Deadhead flower clusters after they fade and prune as needed in late winter.  

Mount Baker Lilac Spacing

This is a large shrub that needs air circulation and room to grow. Be sure to plant each about 10 feet from one another. Also consider its spread and height when planting in front of a home.

Mount Baker Lilac Information

USDA Hardiness Zones: 4 - 8
Plant Type:
Light Exposure: Partial Sun to Full Sun (At Least 5 Hours of Direct Sunlight)
Mature Height: 12 - 15 Feet
Mature Spread: 8 - 12 Feet
Spacing: 8 - 12 Feet
Habit: Spreading, Upright
Flower Color(s): White
Flower Description:
Bloom Period: Early May
Foliage Type: Deciduous
Foliage Color(s): Green
Foliage Description:
Seasonal Interest: Spring Flowering
Watering: Average
Resists: Deer
Tolerates: Drought
Attracts: Butterflies, Hummingbirds
Container Role:
Uses: Borders, Hedges & Privacy, Wildlife Gardens
Features: Attracts Pollinators, Cut Flowers, Fragrant, Low Maintenance
Common Name: Mount Baker 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.