RHS Onion (Spring) Matrix Cat Grass 'Summer Sun' Colt (Semi-Vigorous) rootstock

'Summer Sun' Colt (Semi-Vigorous) rootstock is suitable for pruning to a bush

This plant likes moist soil but avoid overwatering by waiting until the soil begins to dry out

sound and colour into your garden

this variety is fully cold hardy

this variety is easy to grow

RHS Onion (Spring) Matrix Cat Grass 'Summer Sun' Colt (Semi-Vigorous) rootstockGreat winter hardy variety which is slow to form bulbs and shows good disease resistance to ensure stems remain in top condition for longer. Ideal for salads, soups and stir fries. Winner of an RHS Award of Garden Merit for reliability and good performance. Part of the seed range produced by Mr Fothergills Seeds in partnership with the RHS.