If you want a hedge that looks exactly like box — the same tiny, neat, deep-green leaves, the same dense clipped precision — Ilex crenata is the plant. Japanese holly is box’s visual twin down to arm’s length and beyond, which is why it has become the like-for-like replacement of choice wherever box blight and box tree caterpillar have done their worst. Parterres, knot gardens, path edging, clipped balls and cloud pruning: everything box did, crenata does, untouched by either problem.
Despite the name there’s nothing prickly about it — the small leaves are smooth and glossy — and it clips as tightly as any plant in the nursery, holding crisp low lines and sculpted shapes on one or two light trims a year, growing a measured 10–20cm annually.
One thing to know before you buy: crenata is choosier about soil than box was. It wants reasonable, slightly acid ground that holds some moisture without waterlogging, and it sulks on dry chalk. If your soil is thin, chalky or your site is coastal and windswept, our Euonymus gives the same formal look with a far tougher constitution — and we’ll tell you straight which suits your garden.
Every plant below was grown on at our nursery in Whitestake. Pot grown stock plants year-round — use the calculator below to work out how many you need.
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It's the closest match there is — the leaf size, colour and dense clipped habit are nearly identical to box, and it's completely unaffected by box blight and box tree caterpillar. For a like-for-like replacement in a parterre, knot garden or formal edging, crenata is the plant.
Crenata if the priority is looking exactly like box — it's the visual twin, and it takes topiary and cloud pruning beautifully. Euonymus if the priority is an easy life: it's faster, glossier, and far more tolerant of chalk, drought, wind and coastal exposure. On thin, dry or chalky soil, choose Euonymus; on decent garden soil, either works and crenata matches box more closely.
A measured 10–20cm a year — very similar to box. That slow, dense habit is exactly why it holds sharp clipped lines and sculpted shapes on just one or two light trims a year.
4 per metre for low formal hedges and edging (5 per metre for the tightest, fastest-closing lines), or 3 per metre for taller hedges with larger plants. Our hedge calculator works out the exact number for your run.
Reasonable garden soil, ideally neutral to slightly acid, that holds some moisture without waterlogging. It dislikes dry, chalky and very alkaline ground — yellowing leaves on chalk are the classic sign. Improve thin soil with organic matter at planting, mulch well, and keep new plants watered; or on genuinely chalky sites, plant Euonymus instead.
Yes — it's the classic cloud-pruning and topiary plant of Japanese gardens, and the best available now box is off the table. Its small leaves and dense, slow growth take detailed shaping better than anything else we grow.
