Possible Clues:

• Called before wedding with soft vegetable
• (Scottish) turnip
• Scottish vegetable born before pea, say
• Root for Scottish independence, essentially over European pressure
• Turnip once called 'parsnip', originally
• Swede regularly entered Portugal
• Type of tide
• One of the tides
• Gordon finally used up water for his veg
• In turnip production, Nebraska takes the record