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Home / Products / Environmental & BNG Seed Mixes / Wildflower Seed Mixes by Soil Type / Calcareous Soils Wildflowers 100% – JC8001

Calcareous Soils Wildflowers 100% – JC8001

A native wildflower seed mix for low-fertility, lime-rich soils. Ideal for BNG, development, and conservation projects with long-term ecological value.

Calcareous Soils Wildflowers 100% (JC8001) is a native wildflower seed mixture specifically designed for low-fertility, lime-rich soils (pH above 7). This mix establishes a species-rich meadow that thrives in chalk, limestone, and other calcareous soils where nutrient levels are naturally low, supporting biodiversity, pollinators, and long-term meadow structure.

The JC8001 composition combines robust perennials, selected annuals and biennials, delivering an extended flowering season from spring through to autumn. This mix is ideal for landscape designers, conservation projects, BNG delivery, estate managers, landowners, and ecological restoration schemes, providing visual appeal and ecological function across development sites, grassland creation, field margins and parkland.

Key benefits include excellent establishment on low-fertility soils, structural diversity, long-term resilience and high ecological value, making it a practical solution for projects that demand both beauty and biodiversity outcomes.

  • Seedbed Preparation: Prepare a firm, fine seedbed. Remove competitive weeds before sowing to reduce competition.
  • Sowing Time: Best sown in autumn or spring when soil moisture is consistent.
  • Sowing Rate: Broadcast evenly and lightly roll to ensure good seed-to-soil contact.
  • Establishment: Expect flowering in the first year with full meadow development over 2–3 seasons.
  • Management: Cut once or twice a year, depending on objectives. Remove arisings to maintain low fertility and encourage wildflower diversity.
  • Long-Term Care: Avoid fertiliser applications and minimise soil disturbance to preserve botanical richness.

Colours

Height 20–80cm depending on species and site conditions
Usage BNG delivery, meadow creation, calcareous soil restoration, development landscapes, field margins, parkland, conservation grassland

Core species, colours and flowering period

 

Flower Col A M J J A S O
Lady’s Bedstraw – Galium verum
Bird’s-foot-trefoil – Lotus corniculatus
Salad Burnet – Sanguisorba poterium
Meadow Buttercup – Ranunculus acris
Wild Carrot – Daucus carota
Cowslip – Primula veris
Meadow Crane’s-bill – Geranium pratense
Oxeye Daisy – Leucanthemum vulgare
Dropwort – Filipendula vulgaris
Musk Mallow – Malva moschata
Wild Marjoram – Origanum vulgare
Ribwort Plantain – Plantago lanceolata
Common Poppy – Papaver rhoeas
Sainfoin; Native – Onobrychis viciifolia
Small Scabious – Scabiosa columbaria
Selfheal – Prunella vulgaris
Common Sorrel – Rumex acetosa
Kidney Vetch – Anthyllis vulneraria
Location overview Best suited to open, lime-rich soils such as chalk or limestone substrates. Performs well on low-fertility sites, rural grasslands, urban open spaces, and conservation areas.
Shade tolerance Prefers full sun but tolerates light partial shade. Flowering may reduce under denser shade conditions.
Soil type Low-fertility, calcareous soils (pH > 7), including chalk, limestone, and alkaline loams.
Soil fertility Designed for nutrient-poor soils. Fertiliser or enrichment is not recommended as it reduces wildflower diversity.
Moisture Tolerates moderate moisture but prefers well-drained soils. Avoid waterlogged conditions where possible.

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