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Nikko Blue Hydrangea

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  • USDA Hardiness Zones 5-9
  • Height 4-6 Feet Tall
  • Spread 4-6 Feet Wide

This deciduous mop head hydrangea produces gorgeous 4-inch blue blooms all summer long. Blossoms appear throughout the plant and not just on the top like that of other varieties. The flower heads may turn pinker in more alkaline soils.

This quick-growing plant will reach full size in only two or three years. It’s a good choice for a fast-growing privacy screen. This shrub can be used to create a colorful hedge, foundation planting, an addition to a mixed shrub border or as an accent plant. Cut a few flowers to create beautiful bouquets and use the dried flowers for craft projects.

Nikko Blue Hydrangea Care

Nikko Blue Hydrangea will mature to a height and width of 4 to 6 feet in a mounded shape. Flowers are produced on the previous year’s growth. Hydrangea macrophylla 'Nikko Blue' prefers partial sun conditions in moist, well-drained soils. Plant it in a sheltered location away from prevailing winds in windier locations. This shrub generally doesn’t need pruning. Prune out weak or winter-damaged stems in late winter/early spring. If shaping is desired, cutting back flowering stems to a pair of healthy buds after the flowering period has ended.

Nikko Blue Hydrangea Spacing

Space individual plants 4 feet apart, center on center to create a garden border. In a mass planting, space 6 feet apart. When planting in a garden planter, use a container at least 36 inches wide with drainage holes.

Nikko Blue Hydrangea Plant Facts

USDA Hardiness Zones: 5-9
Flower Color(s): Blue
Bloom Period: Early Summer
Foliage Color(s): Green
Light Exposure: Partial Sun
Height: 4-6 Feet
Spread: 4-6 Feet
Habit: Upright
Watering: Below Average
Features: Showy Summer Flowers
Scientific Name: Hydrangea macrophylla 'Nikko Blue'
Common Name: Nikko Blue Hydrangea

Click here for more information on plant container sizes.

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.

1 Review - Nikko Blue Hydrangea Show Reviews

  • 5
    to remember my grandma

    Posted by P.S. on Jul 5th 2020

    My grandma had these at her house when I was growing up, so every time I see these it reminds me of her. She passed away a few years ago, so I just had to plant these in my yard to remember her by. Plants arrived in fantastic shape, even during a period of hot weather in my area. Planted them right away and they are already producing new growth on the plant and it looks like I'll get blooms the first year, which is great! Would definitely do business with Plant Addicts again!