From 14k real designs

What to plant with Buxus

These are what gardeners actually planted. We measured every Sow design containing Buxus and ranked the plants that turn up alongside it far more often than chance would explain.

12 companions14k designs analyzedRanked by affinity, not popularity
  1. Spreading Flax Lily
    1

    Spreading Flax Lily

    Dianella revolutiony 'Flavo Circinalis'

    Used together in 42 designs — 4.93× more often than this plant appears in gardens generally.

    Why it works: shares Zones 8–9 with Buxus; wants the same full sun; blooms early summer to Buxus's early spring.

    Zones 8–10Care & prices →
  2. Irish Yew
    2

    Irish Yew

    Taxus baccata 'Fastigiata'

    Used together in 48 designs — 4.45× more often than this plant appears in gardens generally.

    Why it works: shares Zones 6–7 with Buxus; wants the same full sun; adds height behind Buxus.

  3. Hosta Formal Attire
    3

    Hosta Formal Attire

    Hosta x hybrida 'Formal Attire'

    Used together in 84 designs — 4.35× more often than this plant appears in gardens generally.

    Why it works: shares Zones 4–9 with Buxus; blooms mid-summer to Buxus's early spring; fills in front of Buxus.

  4. Snow Fairy Bluebeard
    4

    Snow Fairy Bluebeard

    Caryopteris divaricata 'Snow Fairy'

    Used together in 48 designs — 4.3× more often than this plant appears in gardens generally.

    Why it works: shares Zones 5–9 with Buxus; wants the same full sun; blooms late summer to Buxus's early spring.

    Zones 5–9from $17.60Care & prices →
  5. Duchesse de Nemours Peony
    5

    Duchesse de Nemours Peony

    Paeonia lactiflora 'Duchesse de Nemours'

    Used together in 448 designs — 4.2× more often than this plant appears in gardens generally.

    Why it works: shares Zones 4–8 with Buxus; wants the same full sun; blooms late spring to Buxus's early spring.

    Zones 4–8from $22.49Care & prices →
  6. Lavender Imperial Gem
    6

    Lavender Imperial Gem

    Lavandula angustifolia 'Imperial Gem'

    Used together in 383 designs — 4.1× more often than this plant appears in gardens generally.

    Why it works: shares Zones 4–9 with Buxus; wants the same full sun; blooms mid-summer to Buxus's early spring.

    Zones 4–9from $14.99Care & prices →
  7. Festiva Maxima Peony Chinese Peony
    7

    Festiva Maxima Peony Chinese Peony

    Paeonia lactiflora 'Festiva Maxima'

    Used together in 504 designs — 4.05× more often than this plant appears in gardens generally.

    Why it works: shares Zones 4–8 with Buxus; wants the same full sun; blooms late spring to Buxus's early spring.

    Zones 4–8from $17.99Care & prices →
  8. Mount Tacoma Tulip
    8

    Mount Tacoma Tulip

    Tulipa tulipa 'Mount Tacoma'

    Used together in 72 designs — 4.05× more often than this plant appears in gardens generally.

    Why it works: shares Zones 4–8 with Buxus; wants the same full sun; blooms late spring to Buxus's early spring; fills in front of Buxus.

  9. Lavender Hidcote Superior
    9

    Lavender Hidcote Superior

    Lavandula angustifolia 'Hidcote Superior'

    Used together in 369 designs — 4.04× more often than this plant appears in gardens generally.

    Why it works: shares Zones 4–9 with Buxus; wants the same full sun; blooms mid-summer to Buxus's early spring; fills in front of Buxus.

  10. Snow Hill Sage
    10

    Snow Hill Sage

    Salvia x hybrida 'Snow Hill'

    Used together in 41 designs — 4.01× more often than this plant appears in gardens generally.

    Why it works: shares Zones 4–8 with Buxus; wants the same full sun; blooms late spring, summer to Buxus's early spring; fills in front of Buxus.

    Zones 4–8from $26.99Care & prices →
  11. Columnar English Yew
    11

    Columnar English Yew

    Taxus baccata 'Fastigiata Robusta'

    Used together in 225 designs — 3.87× more often than this plant appears in gardens generally.

    Why it works: shares Zones 6–7 with Buxus; wants the same full sun; blooms late spring to Buxus's early spring; adds height behind Buxus.

  12. Bowl of Cream Peony
    12

    Bowl of Cream Peony

    Paeonia lactiflora 'Bowl of Cream'

    Used together in 108 designs — 3.83× more often than this plant appears in gardens generally.

    Why it works: shares Zones 4–7 with Buxus; wants the same full sun; blooms late spring to Buxus's early spring.

    Zones 4–7from $39.99Care & prices →

Method: we counted every Sow design containing Buxus (14k of them), then scored each other plant by how much more often it appears in those designs than in designs generally (lift), requiring at least 40 shared designs. Ranking by lift rather than raw count is what stops the list collapsing into “the most popular plants”.

Buxus pairing questions

What should I plant with Buxus?

Across 14k real garden designs containing Buxus, the partner that shows the strongest affinity is Spreading Flax Lily — it appears alongside Buxus far more often than its overall popularity would predict. The full ranked list is above.

How was this companion list decided?

From data, not opinion. We looked at every Sow design containing Buxus and measured which other plants appear with it more often than chance would explain (a lift score), requiring at least 40 shared designs so nothing here is a small-sample fluke. That is why the list reads like a coherent planting palette rather than a list of bestsellers.

Do companion plants need the same conditions as Buxus?

Yes — that is the first filter. A companion has to share the hardiness range and light exposure, or one of the two will struggle. Each entry above states the zones it shares with Buxus and whether it wants the same light; pairings that differ in bloom time or height are noted, because that contrast is usually the point.

Keep exploring

Try these pairings in your own yard

Snap a photo of your space and place Buxus and its companions in it at true mature size — before you buy any of them.