RHS Practical Guide: Bulbs
RHS Plant Guide: Perennials
Garlic (Spring) Bulbs ‘Solent Wight’ Softneck Allium sativum Hardy British Variety with RHS AGM 2X Bulbs by Thompson and Morgan (2)
RHS Good Plant Guide: More than 1,500 Tried-and-Tested Plants
RHS Good Plant Guide
RHS Practical Guide: Plants For Shade
