The ‘Benjamin Buttons’ flower is a specific cultivar of Bigleaf Hydrangea (Hydrangea macrophylla ‘Benjamin’). This guide provides information on how to plant and maintain this popular deciduous shrub.
Introducing Benjamin Buttons Hydrangea
Hydrangea macrophylla ‘Benjamin’ is a bigleaf hydrangea cultivar known for its large, showy blooms. These flowers appear as rounded “mopheads” or flatter “lacecaps,” displaying colors from pink to blue. Flower color is directly influenced by soil pH; acidic soils (below pH 7) generally produce blue blooms, while alkaline soils (above pH 7) tend to produce pink flowers. This plant grows 3 to 6 feet in both height and width, forming a multi-stemmed, rounded shrub. Its substantial green foliage provides a lush backdrop even when not in bloom.
Planting Benjamin Buttons Hydrangea
Selecting an appropriate planting site is important for ‘Benjamin Buttons’ hydrangea health and bloom production. These plants thrive with morning sunlight and afternoon shade, especially in warmer climates. Too much direct sun can cause leaf scorch, while excessive shade may reduce flowering.
The ideal soil is well-draining and rich in organic matter. If your soil is heavy clay or very sandy, amend it with compost or aged manure to improve drainage and nutrient retention. When planting, dig a hole as deep as the root ball and two to three times as wide. Position the plant so the top of the root ball is level with the surrounding soil, then backfill, gently firming the soil around the roots.
Ongoing Care for Benjamin Buttons Hydrangea
Consistent watering is important for ‘Benjamin Buttons’ hydrangeas. Provide 1 to 2 inches of water per week, especially during dry spells and the plant’s establishment period. Leaves may wilt when the plant needs water, but they should perk up shortly after watering.
Fertilization supports robust growth and abundant blooms. Apply a balanced, slow-release fertilizer, such as a 10-10-10 formula, in early spring as new growth emerges. A second application can be made in mid-summer. Avoid fertilizers high in nitrogen, as this encourages leafy growth at the expense of flowers.
Apply a 3 to 6-inch layer of organic mulch, such as wood chips or shredded leaves, around the plant’s base. This helps retain soil moisture and regulate soil temperature. Ensure the mulch does not touch the plant’s stem directly to prevent rot. Mulching also suppresses weeds, reducing competition for water and nutrients.
Pruning and Winter Protection
Pruning Hydrangea macrophylla ‘Benjamin’ should occur immediately after flowering in late summer. This timing is important because these hydrangeas bloom on “old wood,” meaning flower buds form on stems from the previous year’s growth. Removing spent blooms (deadheading) improves the plant’s appearance.
In late winter or early spring, before new growth begins, inspect the plant and remove any dead, damaged, or weak stems at their base. Prune out one or two of the oldest, heaviest stems to encourage new, vigorous growth, but avoid extensive pruning that removes too much old wood. For rejuvenation, remove no more than one-third of the oldest stalks down to ground level.
In colder climates (USDA Zones 5 and below), ‘Benjamin Buttons’ hydrangeas benefit from winter protection to safeguard dormant flower buds from freezing temperatures. After the ground freezes, apply a 6 to 8-inch layer of mulch around the plant’s base. For added protection, consider covering the plant with burlap or building a cage filled with straw or leaves around it.
Troubleshooting Common Problems
Lack of blooms on ‘Benjamin Buttons’ hydrangea can be due to incorrect pruning, especially if too much old wood (where flower buds form) was removed at the wrong time. Insufficient sunlight or an imbalance in fertilization, such as too much nitrogen, can also hinder flowering.
Leaf discoloration is a common issue. Yellowing leaves with green veins may indicate an iron deficiency, which can occur in alkaline soils. Brown spots or a powdery white coating on leaves often point to fungal problems, thriving in humid conditions and poor air circulation. Adequate plant spacing and watering the soil directly, rather than the foliage, help prevent fungal diseases.
Wilting leaves, especially during hot days, signal a need for water. However, persistently soggy soil can lead to root rot, causing leaves to brown and drop. Maintaining consistent soil moisture without overwatering prevents these issues. Pests like aphids and spider mites are less common but can be managed with a strong spray of water.