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Mouse-ear coreopsis 'Nana'

Coreopsis auriculata 'Nana' · Asteraceae

Mouse-ear coreopsis 'Nana' (Coreopsis auriculata 'Nana') in flower
Photo: Photo by David J. Stang, via Wikimedia Commons (CC BY-SA 4.0)

A low mat of rounded, dark leaves with golden-orange daisies on short stems in late spring. A dwarf selection of a southeastern native.

Size
8 in tall, 12 in wide
Zones
4 to 9
Light
Full sun to part sun
Flowers
Early May to mid June
Pets
No toxicity recorded
Job in a bed
Edging

A bed built around mouse-ear coreopsis 'Nana'

The planner designed this bed around mouse-ear coreopsis 'Nana' 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 966 that suit those conditions, and says below why mouse-ear coreopsis 'Nana' stands where it does.

A 12 × 6 ft (3.7 × 1.8 m) bed at eye level in late May: Mouse-ear coreopsis 'Nana', Winter heath, Garden phlox 'David', Turtlehead 'Hot Lips', Silver sage, Gloriosa daisy, Star of Persia, Camassia.
A 12 × 6 ft (3.7 × 1.8 m) English border in zone 6, full sun, seen from the path in late May.
3. Garden phlox 'David'33. Garden phlox 'David'33. Garden phlox 'David'34. Turtlehead 'Hot Lips'44. Turtlehead 'Hot Lips'44. Turtlehead 'Hot Lips'44. Turtlehead 'Hot Lips'44. Turtlehead 'Hot Lips'45. Silver sage52. Winter heath22. Winter heath22. Winter heath22. Winter heath22. Winter heath21. Mouse-ear coreopsis 'Nana'11. Mouse-ear coreopsis 'Nana'11. Mouse-ear coreopsis 'Nana'12. Winter heath22. Winter heath26. Gloriosa daisy66. Gloriosa daisy66. Gloriosa daisy67. Star of Persia77. Star of Persia78. Camassia88. Camassia81. Mouse-ear coreopsis 'Nana'11. Mouse-ear coreopsis 'Nana'11. Mouse-ear coreopsis 'Nana'11. Mouse-ear coreopsis 'Nana'11. Mouse-ear coreopsis 'Nana'11. Mouse-ear coreopsis 'Nana'11. Mouse-ear coreopsis 'Nana'11. Mouse-ear coreopsis 'Nana'11. Mouse-ear coreopsis 'Nana'11. Mouse-ear coreopsis 'Nana'11. Mouse-ear coreopsis 'Nana'11. Mouse-ear coreopsis 'Nana'11. Mouse-ear coreopsis 'Nana'17. Star of Persia7
From above, to scale. Each circle is one plant, as wide as the room it needs.

The plants

  1. 2 Winter heath × 7, pink
  2. 3 Garden phlox 'David' × 3, white
  3. 4 Turtlehead 'Hot Lips' × 5, pink
  4. 5 Silver sage × 1, silver leaves
  5. 6 Gloriosa daisy × 3, yellow
  6. 7 Star of Persia × 3, purple
  7. 8 Camassia × 2, blue

Why this plant

  • Nothing here is unique to it. Its leaf, flower shape and colour are all on the plan already. Its case rests on where it stands and when it performs.

Why here

  • Under the taller plants. It runs back between them as living mulch: there its job is to cover the soil, not to be looked at.
  • 16 plants in 4 groups (5, 5, 3 and 3). Seen again further along, the same plant ties the bed together.

Why now

  • In flower for six weeks. From early May to mid June.
  • Fills a gap. For one of those weeks nothing else on the plan is in flower.

Planned as an English border: 6 of the 6 groups (100%) are drifts, longer along the bed than they are deep. The back corners are held by turtlehead 'Hot Lips' and garden phlox 'David', the tallest plants on the plan. The front edge is finished with silver sage, winter heath and mouse-ear coreopsis 'Nana'.

The planner's own design check: 11 Excellent, 6 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 mouse-ear coreopsis 'Nana' goes in a border

At 8 in it belongs at the front of a bed. In the planner's ten height classes it is low (6 to 12 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).

The earliest and lowest coreopsis, and one of the few that likes some shade and moisture. It makes a neat edge that flowers with the late tulips.

  • Edging in sun or part shade
  • Native groundcover
  • Rock gardens

What to plant with mouse-ear coreopsis 'Nana'

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

  • Woodland phlox: blue against yellow, opposite each other on the colour wheel, if you choose those colours, in flower together for three weeks; happy in the same moist soil.
  • Bluestar 'Blue Ice': blue against yellow, opposite each other on the colour wheel, in flower together for five weeks; tall enough (18 in) to stand behind it.
  • Coral bells: its burgundy leaves are a setting for the flowers, before and after.

Questions about mouse-ear coreopsis 'Nana'

Does mouse-ear coreopsis 'Nana' need sun or shade?

Mouse-ear coreopsis 'Nana' grows in full sun (6 or more hours of direct sun a day) and part sun (4 to 6 hours of sun, including some afternoon sun).

It wants soil that stays evenly moist, of average fertility, and a good soak in dry spells. Once settled in, it stands drought.

What zones does mouse-ear coreopsis 'Nana' grow in?

USDA zones 4 to 9. It is hardy to zone 4, which means it survives winter nights down to about −20 °F (−29 °C).

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

When does mouse-ear coreopsis 'Nana' flower in my zone?

In zone 5 it flowers early May to mid 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 mouse-ear coreopsis 'Nana' is in flower
Zone 4Mid May to late June
Zone 5Early May to mid June
Zone 6Early May to mid June
Zone 7Late April to early June
Zone 8Mid April to early June
Zone 9Mid April to late May

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 mouse-ear coreopsis 'Nana' 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 8 in (20 cm) tall. Give it the full distance from anything taller, or it will lean out towards the light.

How many mouse-ear coreopsis 'Nana' 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 mouse-ear coreopsis 'Nana' poisonous to dogs and cats?

No toxicity is recorded for dogs, cats, horses or people, according to NC State Extension and the ASPCA.

"Not toxic" is not "edible": a pet that eats a lot of any plant can be sick.

Do deer eat mouse-ear coreopsis 'Nana'?

They may. NC State does not list it as resistant to deer or rabbits. Where they visit, protect it, or plant it among ones they avoid.

What flowers after mouse-ear coreopsis 'Nana'?

Mouse-ear coreopsis 'Nana' is over by mid June. These start as it finishes and carry the same spot on, so it never goes flat:

  • Creeping thyme: from early June to mid July, 3 in tall, to stand in front of it and cover its fading stems.
  • Black-eyed Susan: from mid July to mid September, 24 in tall.
  • Butterfly weed: from late June to early August, 24 in tall.

What does mouse-ear coreopsis 'Nana' look like in winter?

Mouse-ear coreopsis 'Nana' holds some of its leaves into winter, more in a mild year or a sheltered spot, and they look tired by March. Cut the old ones off as new growth starts.

Is mouse-ear coreopsis 'Nana' good for bees and butterflies?

Mouse-ear coreopsis 'Nana' is visited by pollinators, butterflies and songbirds.

It is native to the United States (this is a named variety of the native plant).

More Coreopsis

In these guides

Zone guides: 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
8 in (20 cm) tall, 12 in (30 cm) wide
Plant
10 in (25 cm) apart
Height class
Low (6 to 12 in)
Place in the bed
Front
Flowers
Early May to mid June; daisies; yellow
Leaves
Medium texture, semi-evergreen; dark green
Shape
Mat-forming, spreading
Hardy in
USDA zones 4 to 9
Light
Full sun, part sun
Soil
Average, evenly moist
Water
Moderate
Feeding
Light, in spring
Family
Asteraceae
Comes from
VA & KY, s. to GA & LA, east of Mississippi River
Attracts
Pollinators, butterflies, songbirds
Stands up to
Drought, heat, humidity

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.