{"product_id":"mammillaria-bertholdii-15-pieces-seeds-copy","title":"Mammillaria grahamii 15 Pieces Seeds","description":"\u003cp\u003eMammillaria grahamii 15 Pieces Seeds \u003c\/p\u003e\n\u003cp\u003ePackage: 15 seeds\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis plant is not famous for being easy to cultivate, but in good conditions with excellent ventilation, it grows without difficulty.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e It is especially sensitive to over-watering. So careful watering and an open mineral potting soil are a must. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAvoid the use of peat or other humus sources in the potting mixture. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDon't add limestone to the potting mix, which must be moderately acidic.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e It can be sensitive to frost (but some population are resistant to -10° C).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e It requires maximum sun exposure to reach its full potential, and to achieve success in flowering. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA winter rest that allows the plant to shrivel (perhaps losing up to 25% of its summer height) will encourage flowering and long time survival. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBe careful to encourage slow growth.\u003c\/span\u003e\u003c\/p\u003e","brand":"exotic-gardenkingdom.com","offers":[{"title":"Default Title","offer_id":56704428048719,"sku":null,"price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0841\/6267\/5023\/files\/Screenshot2025-12-27170447.png?v=1766847909","url":"https:\/\/exotic-gardenkingdom.com\/products\/mammillaria-bertholdii-15-pieces-seeds-copy","provider":"exotic-gardenkingdom.com","version":"1.0","type":"link"}