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Hydrangea, paniculata ‘Pink Diamond’

“Pink Diamond’s” big blooms and strong color make for a winning combination.
The large flowerheads appear in upright, pointed clusters and open from bud, a creamy white and gradually turn to pastel shades of pink as they age. It is noted for producing dense, pyramidal, cone-shaped panicles (from 12″ long and 8″ across) flowers at the ends of red-stemmed branches. Flower panicles are excellent for fresh arrangements, dried flower arrangements or simply left on the shrub for winter interest. This is a fast-growing and hardy plant. It is one of the most winter hardy of the hydrangeas. Like all Hydrangeas, they prefer relatively moist, well-drained, moderately fertile, humus-rich soil, however they do become more drought-tolerant with age. Blooms summer through autumn. Bloom occurs on current season’s growth, so prune as needed in late winter to early spring.

With the return of the bold-is-beautiful style of landscaping, “Pink Diamond” should fit right into our modern landscape themes. It is probably best used as a specimen shrub much as crape myrtle is planted. It could be used as a background planting in a mixed border or even as a mass planting in the large landscape. It blooms best in full sun but will tolerate light shade. Unlike most hydrangeas, it has good drought tolerance, but bloom size will be reduced under drier conditions. Once established Pink Diamond hydrangea should be pruned hard in late spring to encourage long shoots with big flowers. The admonition “prune until you think you have killed it, and then prune some more” applies to this fast growing shrub. It is resistant to most insect and disease problems.

‘Pink Diamond’ Hydrangea is of the “PeeGee” hydrangea tribe. The old fashioned “PeeGee” was selected in England before 1880 from material originally introduced from Japan in 1861. “PeeGee” was all the rage during the Victorian era when it was planted extensively across the eastern half of the United States. Individual florets on these heads grow to 1-1/2 inches across. As the flowers age they turn a wonderful rich pink. By the time frost arrives, the sepals on the inflorescence will have turned tan colored. It grows at a medium rate, and under ideal conditions can be expected to live for 40 years or more.

Availability

# Description Units Available Price/Unit
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Plant Details +

Height 6-8'
Spacing 6-8'
Hardiness Zones 3-9
Exposure Full sun to part shade. Hydrangeas benefit from some shade in the middle of the afternoon, especially in hotter regions.
Foliage Rich green
Flower White to pink flowers
Bloom 12" flowerheads
Bloomtime June to autumn

General Information +

Botanical: Hydrangea paniculata

Common: Hydrangea

Family: Hydrangeaceae (hydrangea Family)

General Characteristics: Growing and Caring for the Hydrangea 'Pink Diamond' Shrub. Continue to water the hydrangea 'Pink Diamond' shrub as needed as it is becoming established. Pruning can be done as needed for removal of diseased or damaged foliage, and a more extensive annual pruning can assist the shrub with maintaining the strongest, healthiest growth and allowing for sufficient air circulation to the innermost foliage of the shrub. This hydrangea prefers full to partial sunlight and moist soil that has excellent drainage. The hydrangea pink diamond shrub will grow and thrive in USDA Plant Hardiness Zones 3 through 9, and can tolerate dry, sandy, or salty conditions well at maturity, but growing plants need plenty of moisture to fare well.

Planting/Care Instructions +

Pests or Diseases: It is resistant to most insect and disease problems. Gray mold and powdery mildew are the most common fungal disease that affect the hydrangea 'Pink Diamond' shrub, and can be treated with removal of affected foliage and a fungicide spray to the foliage that remains.

Planting Instructions: Dig a hole large enough to encompass the roots without bending or circling. Set the plant in place so the crown (part of the plant where the root meets the stem) is about 1-2 inches below the soil surface. When planting your 'PeeGee', the crown (where the stem meets the roots) should be placed just below ground level. Planting deeper can cause the roots to rot. Cover with soil to the original soil surface and water thoroughly. Once the shrub is placed in the hole, tamp soil down around it and water.