{"product_id":"150-graines-de-cassis-geant-de-boskoop-ribes-nigrum","title":"150 Giant Boskoop Blackcurrant Seeds (Ribes nigrum)","description":"\u003cp\u003e\u003cem\u003eRibes nigrum\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eGiant Boskoop Blackcurrant, blackcurrant bush: selected in the Netherlands in the nursery town of Boskoop, this variety produces longer trusses and larger berries than the common blackcurrant. Its fragrance, however, remains unmistakable—the very one that made Burgundy’s liqueurs and jellies famous.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCharacteristics:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge berries:\u003c\/strong\u003e larger than average, with tender skins, gathered in long trusses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEarly harvest:\u003c\/strong\u003e from the beginning of July.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHighly aromatic foliage:\u003c\/strong\u003e when crushed, its leaves release the characteristic smell of blackcurrant.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDense shrub:\u003c\/strong\u003e it can be grown in the ground or in a container on a balcony.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSowing advice:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExposure:\u003c\/strong\u003e sunny but not scorching, or partial shade in hot regions. Blackcurrants are plants suited to cool climates; heatwaves cause them to suffer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoil:\u003c\/strong\u003e cool, deep, rich in humus, and well drained, preferably neutral to slightly acidic. Its shallow roots are as sensitive to drying out as they are to stagnant water—mulching is highly beneficial.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e 6 to 12 weeks of \u003ca href=\"\/en-intl\/blogs\/le-coin-des-graines\/stratification-a-froid-graines\"\u003ecold stratification\u003c\/a\u003e is necessary to break dormancy. Then sow in spring in pots, covering the seeds lightly. Germination is slow and staggered. See \u003ca href=\"\/en-intl\/blogs\/le-coin-des-graines\/comment-semer-graines-coton-godet-terre\"\u003ehow to sow your seeds\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePlanting advice:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTransplant with 1.50 metres between plants. In containers, choose a wide, deep pot and mulch the surface.\u003c\/li\u003e\n\u003cli\u003eGood to know: blackcurrants are partially self-fertile, but having \u003cstrong\u003etwo plants\u003c\/strong\u003e greatly improves fruit set and berry size.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCare advice:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKeep the soil cool in summer, without excess moisture. An application of compost around the base each autumn is sufficient to maintain it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePruning:\u003c\/strong\u003e unlike redcurrants, blackcurrants fruit mainly on \u003cstrong\u003ethe previous year’s wood\u003c\/strong\u003e. Prune more severely: each winter, remove one third of the oldest branches at ground level to encourage new shoots.\u003c\/li\u003e\n\u003cli\u003eWithout this pruning, production collapses after a few years—this is the most common mistake made with blackcurrant bushes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHarvesting advice:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHarvest the entire truss when all the berries are black and slightly soft. Picked too early, they remain astringent.\u003c\/li\u003e\n\u003cli\u003eThis variety’s tender-skinned berries bruise easily: handle them gently and process them quickly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBeneficial companions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIt thrives beneath fruit trees, alongside \u003ca href=\"\/en-intl\/products\/1000-graines-dachillee-millefeuille-fleurs-medicinale-aromatique-semences-paysannes\"\u003eyarrow\u003c\/a\u003e, which attracts beneficial insects. See \u003ca href=\"\/en-intl\/blogs\/le-coin-des-graines\/bases-permaculture\"\u003ethe basics of permaculture\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBenefits for biodiversity:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIts early flowering, from April onward, provides food for bees and bumblebees at a time when resources are still scarce.\u003c\/li\u003e\n\u003cli\u003eIts black berries are highly sought after by blackbirds and warblers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eUses:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFor jelly, jam, syrup, coulis, and sorbet. The berries freeze very well and retain all their fragrance.\u003c\/li\u003e\n\u003cli\u003eIts leaves can be dried for herbal tea, a traditional rural use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHarvesting your own seeds:\u003c\/strong\u003e\u003cbr\u003eCrush very ripe berries in a little water, rinse them to separate the seeds from the pulp, then dry them flat before winter stratification. Blackcurrants can also be propagated very easily from hardwood cuttings in winter. See \u003ca href=\"\/en-intl\/blogs\/le-coin-des-graines\/conserver-ses-graines\"\u003ehow to store your seeds\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOur commitment to Quality:\u003c\/strong\u003e at SemiSauvage - Permaculture, we grow and select our seeds with respect for all living things as our guiding principle. Based near the Auvergne volcanoes, we choose open-pollinated, non-hybrid varieties, tested for their germination rate, carefully sorted and packaged, with no chemical treatments. Our belief: to give gardeners back the ability to sow, year after year, seeds that truly belong to them.\u003c\/p\u003e\n\u003cp\u003eLarge berries from July onward, with a fragrance nothing can replace.\u003c\/p\u003e","brand":"SemiSauvage","offers":[{"title":"Default Title","offer_id":48866932359501,"sku":"3760335362408","price":5.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1658\/2477\/files\/17-FB_27_11zon.webp?v=1719264517","url":"https:\/\/semisauvage.com\/en-intl\/products\/150-graines-de-cassis-geant-de-boskoop-ribes-nigrum","provider":"SemiSauvage","version":"1.0","type":"link"}