Trifolium rubens
Purple clover, Rubens clover, wild crimson clover: not to be confused with red clover or Trifolium incarnatum, this species stands out for its upright, feathery pink-purple flower spikes, like little plumes. A perennial that is both visually striking and ecologically valuable, yet still too rare in gardens.
Characteristics:
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Remarkable inflorescences: dense, feathery pink-purple flower spikes that are highly decorative, adding a wild, graphic touch to flower beds.
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Hardy perennial: resistant down to -20°C, it forms long-lasting clumps and sometimes self-seeds spontaneously.
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Nitrogen fixer: like all legumes, it naturally enriches the soil.
Sowing advice:
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Exposure: full sun or partial shade.
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Soil: moist to slightly dry, well-drained, poor to moderately fertile — it clearly prefers lean, chalky soils to rich soil. No fertilization is necessary: as a nitrogen fixer, it produces its own fertilizer.
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Method: sow directly in the ground in spring (March to May) or at the end of summer (August to September). No pots and no prior soaking. See how to sow your seeds.
Care advice:
- No particular maintenance is required. Cut off faded flowers to prolong blooming, or leave them to set seed for natural self-seeding.
Beneficial combinations:
- With nitrogen-hungry vegetables (squash, tomatoes) after incorporation into the soil, and with grasses in wildflower meadow mixtures.
- Alongside other nectar-rich plants such as phacelia or white clover. See our guide to green manures.
Benefits for biodiversity:
- Highly nectar-rich, it attracts a wide variety of pollinators: honeybees and wild bees, long-tongued bumblebees, and butterflies.
- By fixing atmospheric nitrogen through its root nodules, it improves soil structure and fertility — see the basics of living soil.
Uses:
- In ornamental beds, wildflower meadows, as an improving ground cover, or as forage appreciated by grazing herbivores in extensive grazing systems.
Symbolism:
Like all clovers, it is associated with luck and harmony with nature, as well as fertility and cooperation: its symbiosis with soil bacteria makes it a subtle emblem of mutual aid between species.
Harvesting your own seeds:
Leave a few flower spikes to turn brown and dry completely on the plant, then thresh them by hand over a container. The plant may also self-seed in the garden. See how to store your seeds.
Commitment to Quality: at SemiSauvage - Permaculture, we grow and select our seeds with respect for living organisms as our guiding principle. Based near the Auvergne volcanoes, we choose reproducible, non-hybrid varieties, test them for germination rates, and carefully sort and package them without any chemical treatment. Our belief: to give gardeners back the ability to resow, year after year, seeds that truly belong to them.
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