Related Clues:

• Fertile earth
• Sandy substance
• Clayey soil
• Clay-rich soil
• Nursery buy, perhaps
• Penicillin source, in Sussex
• Jell-O formation, to a Brit
• Rich earth
• Silty deposit
• Claylike soil
• Soil type
• Gardening soil
• Crumbly deposit
• Clayey sediment
• Nursery purchase, perhaps