Diabolo® Ninebark Tree Form is a dramatic ornamental tree prized for its deep burgundy foliage, soft pink-white spring flowers, and distinctive peeling bark. Grafted into a tree form, it creates a bold architectural focal point while delivering season-long color and texture. Excellent for foundation beds, entrances, and high-impact landscape designs.
Key Features
Deep burgundy-purple foliage
Unique tree form habit
Pink-white spring flowers
Attractive exfoliating bark
Strong season-long color contrast
Specs
Mature Height: 6–10 ft (depending on graft height and pruning) Mature Width: 5–8 ft Sun: Full sun (best color) to part shade Growth Rate: Moderate to fast Zone: 3a; 3b; 4a; 4b; 5a; 5b; 6a; 6b; 7a; 7b Form: Tree form / rounded canopy
Spacing Guidance
6–8 ft spacing
4–6 ft off structures
Best used as:
Foundation focal point
Entry accent
Specimen ornamental tree
Why Choose Ornamental & Accent Trees?
Spring Flower Impact: Cherries and serviceberry deliver standout blooms that define the season.
Fall Color & Seasonal Interest: Ginkgo and serviceberry provide reliable, high-impact color late in the year.
Form & Structure: Weeping, upright, and spreading forms create focal points and visual balance in the landscape.
We grow and source ornamental trees selected specifically for New England performance — not just appearance, but reliability, structure, and long-term success in local conditions.
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Growzone Finder
It helps us recommend plants that are best for your local climate, based on your growing zone. Also, because we ship plants based on when they are best for your local climate, it allows us to give you a more accurate estimate of when your order will ship.
The crew was very friendly and walked the property with me before planting so we could discuss where the trees would be planted. They were very thorough and left the property clean afterwards. Definitely recommend their installation service.
Ordered online and came the next day. Exactly what I was looking for. Tree was in great shape.
Ivory Silk® Tree Lilac
Anonymous
LOVE IT
Plant looks great in my garden
Brandon Arborvitae
Anonymous
These were exactly what we were hoping for. The foliage has a really nice golden tint that brightens up our yard compared to the typical dark green arborvitae. Plants arrived healthy and planted easily. Very happy with the purchase.
Amber Gold Arborvitae (Thuja occidentalis) | Golden Evergreen Shrub
David Shaw
The crew was very friendly and walked the property with me before planting so we could discuss where the trees would be planted. They were very thorough and left the property clean afterwards. Definitely recommend their installation service.
Installation Service
Kevin Kane
Arrived when scheduled and installers did a great job.Very happy
