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Pieris 'Cavatine'

Pieris japonica 'Cavatine' · Ericaceae

Pieris 'Cavatine' (Pieris japonica 'Cavatine') in flower
Photo: Photo by David J. Stang, via Wikimedia Commons (CC BY-SA 4.0)

A dwarf, dense, hardy pieris that is buried under white bells in spring. It stays under a metre.

Size
2½ ft tall, 3 ft wide
Zones
5 to 8
Light
Part sun to part shade
Flowers
Early April to early May
Pets
Toxic (severe)
Job in a bed
Anchor

A bed built around pieris 'Cavatine'

The planner designed this bed around pieris 'Cavatine' when this page was made: a 12 × 6 ft (3.7 × 1.8 m) English border in zone 6, part sun. It chose the other plants from the 708 that suit those conditions, and says below why pieris 'Cavatine' stands where it does.

A 12 × 6 ft (3.7 × 1.8 m) bed at eye level in mid April: Pieris 'Cavatine', Mouse-ear coreopsis 'Nana', Leadwort, Garden phlox 'David', Bee balm 'Purple Rooster', Coral bells 'Berry Smoothie', Winter aconite.
A 12 × 6 ft (3.7 × 1.8 m) English border in zone 6, part sun, seen from the path in mid April.
4. Garden phlox 'David'44. Garden phlox 'David'44. Garden phlox 'David'45. Bee balm 'Purple Rooster'55. Bee balm 'Purple Rooster'55. Bee balm 'Purple Rooster'51. Pieris 'Cavatine'13. Leadwort33. Leadwort33. Leadwort33. Leadwort33. Leadwort32. Mouse-ear coreopsis 'Nana'22. Mouse-ear coreopsis 'Nana'22. Mouse-ear coreopsis 'Nana'22. Mouse-ear coreopsis 'Nana'22. Mouse-ear coreopsis 'Nana'23. Leadwort33. Leadwort33. Leadwort32. Mouse-ear coreopsis 'Nana'22. Mouse-ear coreopsis 'Nana'22. Mouse-ear coreopsis 'Nana'22. Mouse-ear coreopsis 'Nana'26. Coral bells 'Berry Smoothie'66. Coral bells 'Berry Smoothie'66. Coral bells 'Berry Smoothie'66. Coral bells 'Berry Smoothie'66. Coral bells 'Berry Smoothie'62. Mouse-ear coreopsis 'Nana'22. Mouse-ear coreopsis 'Nana'22. Mouse-ear coreopsis 'Nana'22. Mouse-ear coreopsis 'Nana'22. Mouse-ear coreopsis 'Nana'22. Mouse-ear coreopsis 'Nana'22. Mouse-ear coreopsis 'Nana'22. Mouse-ear coreopsis 'Nana'22. Mouse-ear coreopsis 'Nana'22. Mouse-ear coreopsis 'Nana'22. Mouse-ear coreopsis 'Nana'22. Mouse-ear coreopsis 'Nana'22. Mouse-ear coreopsis 'Nana'27. Winter aconite7. Winter aconite7. Winter aconite7. Winter aconite7. Winter aconite7. Winter aconite7. Winter aconite7. Winter aconite7. Winter aconite7. Winter aconite7. Winter aconite7. Winter aconite
From above, to scale. Each circle is one plant, as wide as the room it needs.

The plants

  1. 2 Mouse-ear coreopsis 'Nana' × 22, yellow
  2. 3 Leadwort × 8, blue
  3. 4 Garden phlox 'David' × 3, white
  4. 5 Bee balm 'Purple Rooster' × 3, purple
  5. 6 Coral bells 'Berry Smoothie' × 5, red leaves
  6. 7 Winter aconite × 12, yellow

Why this plant

  • The bed's only structure. Shrubs and grasses keep their shape when the perennials die down, and it is the only one here.
  • The only fine leaves here. The rest are medium and bold. A change of leaf keeps plants distinct when nothing is in flower.
  • The only bells. The others are daisies, dense clusters, globes and others. Shape reads at a distance, where colours blur.

Why here

  • At the back. At 2½ ft it is seen over coral bells 'Berry Smoothie' (18 in) in front of it, and has nothing behind it to hide.
  • A step in the back row. Next to bee balm 'Purple Rooster' (3 ft) and garden phlox 'David' (3½ ft): no two neighbours there are the same height, so the back steps up and down like a skyline.
  • One plant, alone. A shrub is seen as an object, and needs clear ground around it.

Why now

  • In flower for five weeks. From early April to early May.
  • Fills a gap. For five of those weeks nothing else on the plan is in flower.
  • The only leaves in winter. From November to March it is what there is to look at.

Planned as an English border: 7 of the 8 groups (88%) are drifts, longer along the bed than they are deep. The most in flower at one time is 3 kinds, from early August. Bee balm 'Purple Rooster' and garden phlox 'David' anchor the back corners of the bed: the tallest plants on the plan stand there.

The planner's own design check: 12 Excellent, 5 Good.

Open this bed in the planner Change its size, the sun or the style, move plants about, or swap one for another.

Where pieris 'Cavatine' goes in a border

At 2½ ft it belongs in the middle of a bed. In the planner's ten height classes it is medium (24 in to 2½ ft).

Its job: anchor. A shrub that gives the bed permanent structure. Planted singly, as soon as the front edge is laid; everything else is arranged around it.

Small enough for the front of a bed, and it flowers late enough to miss most frosts.

  • A small evergreen for acid shade
  • The front of a shrub border
  • Containers

What to plant with pieris 'Cavatine'

Plants recorded as good partners for it, and what each pairing does:

  • Hosta: its green leaves are a setting for the flowers, before and after; bold leaves against its fine ones; spires rising out of its mound.
  • Coral bells: its burgundy leaves are a setting for the flowers, before and after; low enough (12 in) to stand in front of it.
  • Japanese painted fern: its silver leaves are a setting for the flowers, before and after; low enough (18 in) to stand in front of it; happy in the same moist soil.

Questions about pieris 'Cavatine'

Does pieris 'Cavatine' need sun or shade?

Pieris 'Cavatine' grows in part sun (4 to 6 hours of sun, including some afternoon sun) and part shade (2 to 4 hours of sun, mostly in the morning).

It wants soil that stays evenly moist, rich in organic matter, and a good soak in dry spells.

What zones does pieris 'Cavatine' grow in?

USDA zones 5 to 8. It is hardy to zone 5, which means it survives winter nights down to about −10 °F (−23 °C).

Above zone 8 it struggles: the zones measure winter cold, but a plant's top zone usually means the summers are too hot or the winters too mild for it to rest.

Gardening in Canada? Use the USDA zone for your town: Canada's own zone map uses different numbers.

When does pieris 'Cavatine' flower in my zone?

In zone 5 it flowers early April to early May. As a spring flower it moves about a week for every zone: earlier where it is warmer, later where it is colder.

Roughly when pieris 'Cavatine' is in flower
Zone 5Early April to early May
Zone 6Late March to late April
Zone 7Late March to mid April
Zone 8Mid March to mid April

Worked out from Hopkins' bioclimatic law: spring arrives about four days later for each degree of latitude north, and one zone is roughly two degrees. A warm spring or a cold one moves any garden two weeks either way.

How far apart should pieris 'Cavatine' be planted?

2½ ft (75 cm) apart, from the middle of one plant to the middle of the next. That is a little closer than its full width of 3 ft (90 cm), so a group knits into one patch.

It grows 2½ ft (75 cm) tall. Give it the full distance from anything taller, or it will lean out towards the light.

How many pieris 'Cavatine' plants do I need?

At 2½ ft apart, set out in staggered rows:

  • 2 to fill 10 square feet (about 1 m²)
  • 5 for a single row 10 ft (3 m) long
  • 6 to fill a 4 × 8 ft bed on its own

In a mixed border, plant it as one, planted singly: it is the bed's structure, and everything else is arranged around it.

In the bed above, the planner used one in one group.

Is pieris 'Cavatine' poisonous to dogs and cats?

Yes: severe toxicity to people, dogs, cats and horses. All parts, including the nectar, are highly poisonous if eaten and can affect the heart.

Rated from NC State Extension and the ASPCA. Where references disagree, the more cautious rating is used.

Is there a pet-safe plant like pieris 'Cavatine'?

These come closest to doing what pieris 'Cavatine' does, and no toxicity is recorded for them:

Matched the way the planner's Swap button matches plants: the same job in a bed, then size, then flowering time.

Do deer eat pieris 'Cavatine'?

Mostly not. NC State lists it as resistant to deer. No plant is proof against a hungry deer in a hard winter, but this one is low on the menu.

What flowers after pieris 'Cavatine'?

Pieris 'Cavatine' is over by early May. These start as it finishes and carry the same spot on, so it never goes flat:

  • Columbine: from early May to mid June, 24 in tall.
  • Lady's mantle: from late May to early July, 18 in tall, to stand in front of it and cover its fading stems.
  • Bleeding heart: from early May to early June, 2½ ft tall.

What does pieris 'Cavatine' look like in winter?

Pieris 'Cavatine' keeps its dark green leaves all winter, so it is one of the plants that hold a bed together from November to March, when the perennials have gone.

More Pieris

In these guides

Zone guides: Zone 5 · Zone 6 · Zone 7 · Zone 8

In flower in: April · May

Every fact on record

Type
Shrub
Size
2½ ft (75 cm) tall, 3 ft (90 cm) wide
Plant
2½ ft (75 cm) apart
Height class
Medium (24 in to 2½ ft)
Place in the bed
Middle
Flowers
Early April to early May; hanging bells; white
Leaves
Fine texture, evergreen; dark green
Shape
Mounding, clumping
Hardy in
USDA zones 5 to 8
Light
Part sun, part shade
Soil
Rich, evenly moist
Water
Moderate
Feeding
Light, in spring
Family
Ericaceae
Comes from
SE China, Central to Southern Japan, and Taiwan
Stands up to
Deer

Checked against NC State Extension and ASPCA poison lists. Flowering times are for zone 5: later in colder zones, earlier in warmer ones. Toxicity and spread information is a general gardening guide, not veterinary or medical advice, and invasive status varies by region. If a person or pet eats a plant, contact poison control or a vet. Check your local invasive species list before planting anything with a spread warning.