Diabolo Ninebark ‘Tree’

Deep Purple Foliage
Pinkish Spring Blooms
Polished Tree Form

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#15 Container

$286.00

26 in stock

#7 Container

$236.00

7 in stock

#5 Container

$198.99

3 in stock

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Starting at $198.99

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We guarantee that your plants and trees will arrive happy and healthy. If you’re not satisfied after receiving your trees and plants, we’ll replace them at no cost to you. Trees and plants are living organisms and require care, maintenance, and protection to survive, root in, and establish properly. Trees that do not survive despite receiving the proper care, maintenance, and protection within the first year will be considered for a one-time replacement. If you purchased plants outside of your growing zone recommendation, or have not properly cared for your new plants as described in your welcome letter, your purchase won’t be covered by our Grasshopper guarantee.
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Grasshopper Gardens offers free home delivery to customers in our local service areas. Experience the convenience of having your plants delivered straight to your home, free of charge, saving you time and effort.

Our local delivery area reaches as far north as Schroon Lake, south to Voorheesville, Glenmont, and East Greenbush areas, parts of Fulton and Montgomery counties, much of Washington County, and all areas in between. If you have questions on local delivery, give us a call at

518-793-9623.
In Stock
518-793-9623

Diabolo Ninebark 'Tree'

Sunlight
Can grow in a range from full sun to partial shade. They need at least six hours of direct, unfiltered sunlight per day.
Watering
Regular watering schedule for the first six months. Once established, rainwater should be sufficient.
Fertilizing
Regular watering schedule for the first six months. Once established, rainwater should be sufficient.

Diabolo Ninebark 'Tree'

Diabolo Ninebark ‘Tree’ is a dramatic deciduous ornamental tree-form shrub featuring deep purple foliage, late spring flower clusters, and attractive peeling bark. Its trained standard form adds colorful structure to entries, patios, foundation beds, and mixed borders.

Why choose Diabolo Ninebark ‘Tree’?

Choose Diabolo Ninebark ‘Tree’ for bold foliage color in a polished, space-saving form. The dark purple leaves create strong contrast with green, gold, and silver companion plants, while pinkish-white spring flowers soften the display. Its single-trunk or standard presentation gives the look of a small ornamental tree while maintaining the toughness and adaptability of ninebark. It is especially useful near walkways, patios, entrances, and garden beds where a colorful focal point is needed.

Key Characteristics

Botanical Name: Physocarpus opulifolius ‘Monlo’
Common Name: Diabolo Ninebark ‘Tree’
Plant Type: Deciduous shrub trained as a small ornamental tree
Growth Habit: Tree-form standard with rounded, arching canopy

Diabolo Ninebark ‘Tree’ Additional Information

Diabolo Ninebark ‘Tree’ is best known for its rich purple foliage, which emerges dark and holds strong color through much of the growing season, especially in sunny sites. In late spring to early summer, rounded clusters of small pinkish-white flowers appear along older stems, creating a striking contrast against the dark leaves. Small seed capsules may follow, adding subtle seasonal texture.

This ornamental tree-form ninebark is deciduous, so it drops its leaves in fall and reveals mature stems with exfoliating bark that adds winter interest. The standard form makes it ideal for compact focal points, paired entry plantings, patio accents, and mixed borders where a shrub form may take up too much ground space. Prune after flowering to maintain the rounded canopy, remove suckers from the trunk, and preserve next season’s bloom potential.

Planting & Care

1. Planting: Plant Diabolo Ninebark ‘Tree’ in full sun to part sun with well-drained soil. Set the root ball level with the surrounding grade, backfill with native soil, and water thoroughly after planting.

2. Watering: Water deeply and consistently during the first growing season to help roots establish. Once established, it handles average landscape moisture well, with supplemental watering helpful during extended dry periods.

3. Mulching: Apply a 2–3 inch layer of mulch around the root zone to conserve moisture and reduce weed competition. Keep mulch pulled back from the trunk to protect the bark.

4. Pruning: Prune shortly after flowering to shape the canopy and preserve blooms for the following year. Remove any shoots from the trunk or base to maintain the clean tree form.

Related Resources

FAQs

How big does Diabolo Ninebark 'Tree' get?
Diabolo Ninebark ‘Tree’ is maintained as a compact ornamental standard with a rounded canopy. Mature size depends on trunk height, training, and pruning, but it is generally used as a small focal-point tree.
When does Diabolo Ninebark 'Tree' bloom?
It typically blooms in late spring to early summer with rounded clusters of pinkish-white flowers. Since flowers form on older wood, prune after bloom rather than late in the season.
Where should I plant Diabolo Ninebark 'Tree'?
Plant it in a sunny to partly sunny location where its dark foliage can stand out, such as an entry bed, patio border, foundation planting, or mixed ornamental garden.

Shipping Details

Estimated Shipping Time: Most orders ship immediately. As noted on the website, some items are seasonal, and may only ship in spring or fall. Once your order is shipped, you’ll receive an email with a tracking number.

Amount of Order	Shipping Charge
Local Delivery	FREE SHIPPING
Non-Local Delivery	Varies based on UPS shipping

Lush Foliage
Full Sun
Flowering

Mature Height	Small: Up to 15 ft
Mature Spread	5-10 ft
Growth Rate	Fast
Botanical Name	Physocarpus opulifolius 'Monlo'
Bloom Time	Late Spring, Early Summer
Deer Resistant	No
Family	Rosaceae
Flower Color	White
Hardiness Zones	3, 4, 5, 6, 7
Light Needs	Full Sun
Maintenance	Low
Size	#15 Container, #5 Container, #7 Container

Map of the United States with all 50 states shaded green to show full coverage.

Growing Zones 3-7 Outdoors

(Hardy down to -40)

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Mature Spread	10-20 ft	10-20 ft	10-20 ft	5-10 ft	20+ ft	10-20 ft
Growth Rate	Moderate	Moderate	Moderate	Moderate, Slow	Fast	Moderate
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Deer Resistant	No	No	No	No	Usually	Usually
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Flower Color	White	White	White	Pink, Red, White	Non Flowering	Pink
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Light Needs	Full Sun	Full Sun	Full Sun	Full Sun	Full Sun, Partial Sun	Full Sun
Maintenance	Low	Low	Low	Low	Low	Low