Related Clues:

• Tournament favorite
• Plant's start
• Bird snack
• Oak-to-be
• Bird-feeder tidbit
• Proverbial start of great things
• One to grow on
• Plant starter
• It's lower than dirt
• Something to go to
• Future plant
• Fruit of the oak
• Tough nut to crack
• Cardamom or chickpea, e.g.
• Snack for a squirrel