Welsh Onion (White) 200 White Welsh Onion Seeds £2.00 Quantity: at £2.00 each Add To Basket 3 in stock. 0 in your basket View Basket Checkout Welsh Onion White - Pack of 200 SeedsAllium fistulosum Sow: March to September Harvest: April to October Height: 30cmA bit of an all-rounder. Young leaves can be used like chives or use the whole stem as a spring onion later in the season. Attractive white flowers in early Summer. Sowing instructions: Seeds can be started off indoors at any point in the year. Sow a good sprinkling of seeds into a 7cm pot and then grow on until roots fill the pot. Transfer into a 9cm pot and then plant out. Growing instructions:Space plants 20cm apart and harvest frequently to encourange new growth.