Turkish speedwell

Veronica liwanensis. Family Plantaginaceae. Groundcover.

Turkish speedwell is a very low, mat-forming perennial grown for its small evergreen leaves and bright blue spring flowers. It fills gaps around paving and rocks, making a useful groundcover in sunny, well-drained places, but it tolerates only occasional light foot traffic.

Hardiness

USDA zones 4a to 9b

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Grows outdoors in the shaded zones. Select a zone to see what else grows there.

Turkish speedwell
Photo: Todd Boland

At a glance

Sun
Full sun to light partial shade; afternoon shade helps in hot climates.
Water
Water regularly while establishing. Once rooted, it tolerates dry spells, but benefits from occasional deep watering during prolonged drought.
Soil
Well-drained sandy, gritty or gravelly soil; tolerates modest fertility and neutral to alkaline conditions. Avoid heavy, persistently wet soil.
Height
0.1-0.25 ft (0.03-0.08 m)
Spread
1-2 ft (0.3-0.6 m)
Flowers
Bright blue flowers with pale centres in mid- to late spring, sometimes followed by scattered flowers in early summer.
Foliage
Tiny, oval, dark green leaves form a close carpet. Usually evergreen, but foliage may bronze or suffer damage in severe winters.
Growth
Moderate; creeping stems root as they spread.
Care needed
Low

The year at a glance

  • Pollinators
  • Drought tolerant
  • Cold hardy
  • Heat tolerant
  • Low allergen
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Flowers
Plant

Northern hemisphere months. In Australia, shift them by six.

Difficulty
Easy
Toughness
Very tough

Will it suit your garden?

Pick your zone, country, light and whether you have pets.

Full sun is 6 or more hours of direct sun a day, part shade 3 to 6 hours, shade under 3.

How it grows

  1. Planting day

    0 ft (0.01 m)

  2. After 1 year

    0.1 ft (0.03 m)

  3. After 2 years

    0.2 ft (0.05 m)

  4. After 3 years

    0.2 ft (0.06 m)

    full size

About 3 years to full size.

From a typical nursery size, at an average rate for this kind of plant. A rule of thumb, not a forecast.

Good to know

Cats and dogs
Safe
Growth rate
Moderate

Care

Jobs through the year

WaterApr–May, Sep–Oct, every 14 days
Water established mats only in prolonged dry weather; water new patches more often.
WaterJun–Aug, every 14 days
Give an occasional deep soaking during drought, allowing soil to dry afterward.
PruneMar–Apr
Remove winter-damaged foliage without cutting deeply into healthy mats.
PruneMay–Jun
Lightly trim ragged growth and encroaching edges after flowering.
DivideApr–May
Lift rooted sections to fill bare patches or renew thinning mats.
ProtectJan–Feb, Oct–Dec
Clear damp leaves, maintain drainage and avoid walking on frozen or wet mats.
  • Water newly planted patches whenever the upper soil begins to dry, until their roots are established.
  • Improve drainage before planting in heavy soil, or use a raised gravel bed.
  • Avoid routine feeding; excess fertiliser encourages loose growth rather than a tight mat.
  • Keep fallen leaves and thick organic mulch off the foliage, especially in wet winters.
  • Lift and divide healthy rooted sections in spring if an older patch develops bare areas.

Pruning. After flowering, lightly trim ragged growth and cut back stems that stray onto paths. Remove winter-damaged foliage in spring without cutting deeply into healthy mats.

Through the year

Early spring
Remove trapped leaves and winter-damaged growth; check that water drains freely around the plants.
Spring
Plant or divide rooted sections, then water until established.
Late spring
After the main flowering flush, lightly trim untidy edges if needed.
Summer
Water during prolonged drought and keep heavy foot traffic off the mat.
Autumn
Clear fallen leaves and remove weeds before they become embedded in the carpet.
Winter
Keep drainage channels clear and avoid walking on frozen or waterlogged plants.

In the garden

  • Plant between widely spaced stepping stones where foot traffic is occasional.
  • Use around rocks in an alpine or gravel garden for a low carpet of spring blue.
  • Edge a sunny path with a narrow strip that softens the paving without hiding it.
  • Combine with dwarf spring bulbs, whose flowers rise above the foliage.

Garden styles it suits: Alpine rock garden, Dry gravel garden, Low-maintenance, Cottage garden, Small-space and Blues and silvers.

Plant it with: Creeping thyme, Dwarf bearded iris, Crocus, Reticulated iris, Rock rose and Low-growing stonecrop.

Wildlife: The flowers provide nectar and pollen for small bees and other visiting insects.

Problems to watch for

  • Root and crown rot in waterlogged soil: improve drainage, reduce watering and replace badly rotted patches with healthy material.
  • Thin or open growth in deep shade: move rooted sections to a brighter position.
  • Scorched or brown patches during prolonged heat and drought: water deeply when the soil is dry and provide light afternoon shade in very hot sites.
  • Worn or bare patches from repeated walking: redirect traffic onto paving and replant damaged areas.

Safety

Not known to be toxic to people, cats, dogs or horses. Species-specific safety information is limited; it is an ornamental plant, not a food plant, and no part should be offered as feed.

Easily confused with

  • Slender speedwell (Veronica filiformis)

    Has more rounded, kidney-shaped leaves and pale blue flowers on slender stalks. It commonly spreads through lawns, unlike the tighter, small oval-leaved mat of Turkish speedwell.

  • Prostrate speedwell (Veronica prostrata)

    Has longer, narrower leaves and conspicuous upright spikes of blue flowers above its spreading foliage; Turkish speedwell carries its flowers close to the mat.

The name

The common name refers to Turkey, which forms part of the plant's native range.

Propagation. Divide rooted sections in spring or early autumn, keeping each piece moist until established. Non-flowering stem cuttings can also be rooted in a freely draining medium in late spring or summer.

Checked against open data

Accepted botanical name
Veronica liwanensis
Native range
Transcaucasus and Turkey.

Sources: GBIF (CC BY 4.0) and Trefle (CC BY 4.0). The care and design notes are LandscapeGPT's own.

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