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Cheddar pinks 'Tiny Rubies'

Dianthus gratianopolitanus 'Tiny Rubies' · Caryophyllaceae

Cheddar pinks 'Tiny Rubies' (Dianthus gratianopolitanus 'Tiny Rubies') in flower
Photo: Photo by David J. Stang, via Wikimedia Commons (CC BY-SA 4.0)

A tight, grassy cushion only two fingers high, studded with tiny, double, deep rose-pink flowers on short stems.

Size
4 in tall, 12 in wide
Zones
3 to 9
Light
Full sun
Flowers
Late May to late June
Pets
Toxic (mild)
Job in a bed
Edging

A bed built around Cheddar pinks 'Tiny Rubies'

The planner designed this bed around Cheddar pinks 'Tiny Rubies' when this page was made: a 12 × 6 ft (3.7 × 1.8 m) English border in zone 6, full sun. It chose the other plants from the 715 that suit those conditions and its dry soil, and says below why Cheddar pinks 'Tiny Rubies' stands where it does.

A 12 × 6 ft (3.7 × 1.8 m) bed at eye level in mid June: Cheddar pinks 'Tiny Rubies', Sedum 'Lidakense', Wild quinine, Brown-eyed Susan, Dwarf English boxwood, Salvia 'May Night', Grecian windflower, Schubert's allium.
A 12 × 6 ft (3.7 × 1.8 m) English border in zone 6, full sun, seen from the path in mid June.
4. Brown-eyed Susan44. Brown-eyed Susan44. Brown-eyed Susan43. Wild quinine33. Wild quinine33. Wild quinine35. Dwarf English boxwood52. Sedum 'Lidakense'22. Sedum 'Lidakense'22. Sedum 'Lidakense'22. Sedum 'Lidakense'22. Sedum 'Lidakense'21. Cheddar pinks 'Tiny Rubies'11. Cheddar pinks 'Tiny Rubies'11. Cheddar pinks 'Tiny Rubies'12. Sedum 'Lidakense'22. Sedum 'Lidakense'22. Sedum 'Lidakense'21. Cheddar pinks 'Tiny Rubies'11. Cheddar pinks 'Tiny Rubies'11. Cheddar pinks 'Tiny Rubies'11. Cheddar pinks 'Tiny Rubies'11. Cheddar pinks 'Tiny Rubies'16. Salvia 'May Night'66. Salvia 'May Night'66. Salvia 'May Night'68. Schubert's allium88. Schubert's allium81. Cheddar pinks 'Tiny Rubies'11. Cheddar pinks 'Tiny Rubies'11. Cheddar pinks 'Tiny Rubies'12. Sedum 'Lidakense'22. Sedum 'Lidakense'22. Sedum 'Lidakense'22. Sedum 'Lidakense'22. Sedum 'Lidakense'21. Cheddar pinks 'Tiny Rubies'11. Cheddar pinks 'Tiny Rubies'11. Cheddar pinks 'Tiny Rubies'11. Cheddar pinks 'Tiny Rubies'11. Cheddar pinks 'Tiny Rubies'12. Sedum 'Lidakense'22. Sedum 'Lidakense'22. Sedum 'Lidakense'22. Sedum 'Lidakense'22. Sedum 'Lidakense'22. Sedum 'Lidakense'27. Grecian windflower7. Grecian windflower7. Grecian windflower7. Grecian windflower7. Grecian windflower7. Grecian windflower7. Grecian windflower7. Grecian windflower7. Grecian windflower7. Grecian windflower7. Grecian windflower7. Grecian windflower
From above, to scale. Each circle is one plant, as wide as the room it needs.

The plants

  1. 2 Sedum 'Lidakense' × 19, pink
  2. 3 Wild quinine × 3, white
  3. 4 Brown-eyed Susan × 3, yellow
  4. 5 Dwarf English boxwood × 1, dark green leaves
  5. 6 Salvia 'May Night' × 3, purple
  6. 7 Grecian windflower × 12, blue
  7. 8 Schubert's allium × 2, pink

Why this plant

  • The only open bowls. The others are dense clusters, flat plates, daisies and others. Shape reads at a distance, where colours blur.

Why here

  • On the front edge. At 4 in it frames the bed without hiding it, and it is in leaf all season. It finishes 58% of the edge.
  • 16 plants in 4 runs (5, 5, 3 and 3). Runs of different lengths make the edge a frame, not a ruled line.

Why now

  • In flower for six weeks. From late May to late June.
  • Fills a gap. For one of those weeks nothing else on the plan is in flower.
  • One of two evergreens. They are what the bed has to show from November to March.

Planned as an English border: 6 of the 7 groups (86%) are drifts, longer along the bed than they are deep. Cool colours (pink, purple and blue) with yellow as the warm note, and white to calm things between them. The bed is tied together by its repeats: two kinds come round again along it, sedum 'Lidakense' and Cheddar pinks 'Tiny Rubies'.

The planner's own design check: 13 Excellent, 4 Good. It flags one thing to watch: Nothing on this plan is highly poisonous or an aggressive spreader.

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

Where Cheddar pinks 'Tiny Rubies' goes in a border

At 4 in it belongs at the front of a bed. In the planner's ten height classes it is ground-hugging (up to 6 in).

Its job: edging. A low, neat plant used in short runs of three or five along the front to finish the edge (or, in a formal bed, in one even row).

A miniature for troughs, wall crevices and the gaps between paving, where its neat cushion can be seen at close range. It needs sharp drainage and no mulch at its neck.

  • Troughs and rock gardens
  • Paving cracks
  • Edging small beds

What to plant with Cheddar pinks 'Tiny Rubies'

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

  • Creeping thyme: in flower together for four weeks, from early June; happy in the same dry soil.
  • Cobweb houseleek: its silver leaves are a setting for the flowers, before and after; happy in the same dry soil.
  • Sea thrift: in flower together for four weeks, from late May; tall enough (8 in) to stand behind it; happy in the same dry soil.

Questions about Cheddar pinks 'Tiny Rubies'

Does Cheddar pinks 'Tiny Rubies' need sun or shade?

Cheddar pinks 'Tiny Rubies' grows in full sun (6 or more hours of direct sun a day).

It wants dry, sharply drained soil, on the lean side, with no feeding, and little watering once settled. Once settled in, it stands drought.

What zones does Cheddar pinks 'Tiny Rubies' grow in?

USDA zones 3 to 9. It is hardy to zone 3, which means it survives winter nights down to about −30 °F (−34 °C).

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

When does Cheddar pinks 'Tiny Rubies' flower in my zone?

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

Roughly when Cheddar pinks 'Tiny Rubies' is in flower
Zone 3Early June to early July
Zone 4Late May to early July
Zone 5Late May to late June
Zone 6Mid May to late June
Zone 7Early May to late June
Zone 8Early May to late June
Zone 9Late April to mid June

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 Cheddar pinks 'Tiny Rubies' be planted?

10 in (25 cm) apart, from the middle of one plant to the middle of the next. That is a little closer than its full width of 12 in (30 cm), so a group knits into one patch.

It grows 4 in (10 cm) tall. Give it the full distance from anything taller, or it will lean out towards the light.

How many Cheddar pinks 'Tiny Rubies' plants do I need?

At 10 in apart, set out in staggered rows:

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

In a mixed border, plant it as runs of three or five along the front (or one even row, in a formal bed).

In the bed above, the planner used 16 in four groups.

Is Cheddar pinks 'Tiny Rubies' poisonous to dogs and cats?

Yes: mild toxicity to people, dogs, cats and horses. May cause mild stomach upset if eaten. Handling the plant can irritate skin.

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

Is there a pet-safe plant like Cheddar pinks 'Tiny Rubies'?

These come closest to doing what Cheddar pinks 'Tiny Rubies' does, and no toxicity is recorded for them:

  • Sea thrift: the same job in a bed, the same flowering time and the same colour; 4 in taller.
  • Common thyme: the same job in a bed and the same flowering time; 6 in taller, lavender, not pink.
  • Wall germander: the same job in a bed and the same colour; 8 in taller, flowers late June to early August.

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

Do deer eat Cheddar pinks 'Tiny Rubies'?

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

What flowers after Cheddar pinks 'Tiny Rubies'?

Cheddar pinks 'Tiny Rubies' is over by late June. These start as it finishes and carry the same spot on, so it never goes flat:

What does Cheddar pinks 'Tiny Rubies' look like in winter?

Cheddar pinks 'Tiny Rubies' keeps its blue-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.

Is Cheddar pinks 'Tiny Rubies' good for bees and butterflies?

Cheddar pinks 'Tiny Rubies' is visited by bees, butterflies and moths.

More Dianthus

In these guides

Zone guides: Zone 3 · Zone 4 · Zone 5 · Zone 6 · Zone 7 · Zone 8 · Zone 9

In flower in: May · June

Every fact on record

Type
Perennial (groundcover)
Size
4 in (10 cm) tall, 12 in (30 cm) wide
Plant
10 in (25 cm) apart
Height class
Ground-hugging (up to 6 in)
Place in the bed
Front
Flowers
Late May to late June; open bowls; pink
Leaves
Fine texture, evergreen; blue-green
Shape
Mat-forming, clumping
Hardy in
USDA zones 3 to 9
Light
Full sun
Soil
Lean, dry and sharply drained
Water
Low
Feeding
None needed
Family
Caryophyllaceae
Comes from
Great Britain to Ukraine
Attracts
Bees, butterflies, moths
Stands up to
Deer, rabbits, drought, humidity, salt

Checked against NC State Extension, ASPCA poison lists and VASCAN (plants of Canada). 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.