Black-Leaved Clover (Trifolium repens ‘Purpurascens Quadrifolium’)

Black-Leaved Clover botanical diagram

About Black-Leaved Clover

Black-Leaved Clover (Trifolium repens ‘Purpurascens Quadrifolium’) is grown for garden performance matched to its site needs. Expect full sun or partial sun, typically 0.0762–0.1016 m tall, moderate water once established.

Sun Full, Partial
Water Moderate
Height 3–4 in (8–10 cm)
Spread 1–2 ft (30–60 cm)
Bloom Apr–Jul [1]
Origin North America, Oceania, Manizales | Pasto, Departamento del Tolima, municipio Rioblanco, vereda Páramo del Meridiano, subcuenca hidrográfica Alto Saldaña, Afghanistan, Albania, Algeria, Altay, Russia, Africa, Europe, Mediterranean, Northern Asia, West Asia [2]
Season Spring, Summer, Fall
Hardiness Zones 4–8

Can Black-Leaved Clover take your winter? Type your ZIP below and compare it with Zones 4–8.

2023 USDA ZIP listings (PRISM / USDA-ARS). Find Your USDA Hardiness Zone · Official USDA map.

Is Black-Leaved Clover Right for Your Garden?

Best for

  • Small gardens, courtyard planting, and container growing
  • Open, sunny positions with good air movement
  • Wildlife-friendly gardens — known to attract bees

Not recommended if

  • Large open spaces where a bolder specimen is needed
  • Dense shade or north-facing walls

Trade-off to know

Black-Leaved Clover suits most garden soils when drainage is adequate. The main limitation is site scale — match plant size to available space.

Growing Conditions for Black-Leaved Clover

Site checklist

  • Sun: full sun or partial sun
  • Soil drainage: Moist but Well Drained
  • Water: Moderate
  • Hardiness zones: 4, 5, 6, 7, 8

Adjustments

  • Wrong light level is the most common cause of weak performance
  • Fix drainage before treating leaf symptoms

Shared growing steps for this plant’s group: How to Grow Clover. Notes below stay specific to this plant.

How to Care for Black-Leaved Clover

Establishment

  1. Plant Black-Leaved Clover in a site matching its sun and drainage needs
  2. Water regularly until roots settle, then match watering to the plant’s need

Ongoing care

  • Mulch to buffer moisture swings
  • Remove dead or damaged growth in season
  • Avoid constant wet foliage where disease pressure is high

Diagnosing Problems with Black-Leaved Clover

SymptomLikely causeConfirming signAction
Leaves yellowing unevenly across the plant Uneven watering or compacted soil Yellowing worse on one side; soil hard or crusted at surface Water Black-Leaved Clover deeply and evenly. Loosen surface compaction with a fork; avoid disturbing main roots.
Sudden wilting on one branch while rest of plant looks healthy Root rot from poor drainage in one spot Affected branch has dark, mushy roots when gently uncovered Cut back affected branch to healthy wood. Improve drainage in that area before the next growing season.

Leaves yellowing unevenly across the plant

Likely cause
Uneven watering or compacted soil
Confirming sign
Yellowing worse on one side; soil hard or crusted at surface
Action
Water Black-Leaved Clover deeply and evenly. Loosen surface compaction with a fork; avoid disturbing main roots.

Sudden wilting on one branch while rest of plant looks healthy

Likely cause
Root rot from poor drainage in one spot
Confirming sign
Affected branch has dark, mushy roots when gently uncovered
Action
Cut back affected branch to healthy wood. Improve drainage in that area before the next growing season.

Black-Leaved Clover FAQ

  1. Is Black-Leaved Clover easy to grow?

    Black-Leaved Clover is manageable for most gardeners if sited correctly from the outset. The most common mistakes are poor drainage and incorrect sun placement.

  2. How big does Black-Leaved Clover get?

    Black-Leaved Clover typically reaches 0.0762–0.1016 m. Final size depends on soil quality and available root space. Allow adequate spacing at planting — most plants reach their full spread within 5–10 years.

  3. How much sun does Black-Leaved Clover need?

    Black-Leaved Clover grows best in full sun or partial sun. Planting in the wrong light level is the single most common cause of poor performance. Check the aspect of your site before choosing a position.

  4. Can Black-Leaved Clover grow in a container?

    Black-Leaved Clover is compact enough for container growing when the pot is generous. Use a loam-based compost, ensure drainage holes are clear, and water more frequently than you would in open ground — pots dry faster.

  5. Does Black-Leaved Clover attract wildlife?

    Black-Leaved Clover is known to attract bees, butterflies. For maximum benefit, avoid deadheading all flowers — seed heads and spent blooms are often as valuable to wildlife as the flowers themselves.

What Black-Leaved Clover Symbolises

  • enduring
  • constant
  • steadfast
  • reliable

References

  1. [1] GBIF occurrence phenology — Bloom months inferred from StillImage observation seasonality (temperate Northern Hemisphere filter). Not an official cultivar calendar. - https://www.gbif.org/species/5358748
  2. [2] GBIF species distributions — Native range summarised from GBIF distribution records; locality noise filtered to country and macro-region terms. - https://www.gbif.org/species/5358748

Taxonomic identifiers

  • https://www.gbif.org/species/5358748 (GBIF 5358748)
  • https://www.wikidata.org/wiki/Q148675 (Wikidata Q148675)
  • https://powo.science.kew.org/taxon/ild-8135 (POWO ild-8135)
  • https://www.ipni.org/n/523626-1 (IPNI 523626-1)

Plant details on Bosquelle are curated from published references and garden practice. Height, bloom time, hardiness, and look still shift with climate, soil, and care — use this profile as a reliable starting point, then check what local growers see in your area.