— Stachys are fully hardy and can be planted directly outside in spring, there is no need to protect them from frost over winter.
— Soak the roots in water for 3-6 hours prior to planting.
— Either pot up your bare roots to grow on for a few months before planting out – this allows them to establish some growth without competition – or plant them directly into a clear, well-dug area in borders.
— Plant the roots so that they are fully submerged with the crown or buds just below the surface. Any emerging leaves or top growth should be left exposed.
— Choose a position in borders or containers in full sun or partial shade.
— Space the plants 15-20cm apart
— Water-in after planting and keep hydrated when in growth in the first year.
— Cut stems down to 3cm above soil level in autumn.
— Read further general instructions about planting bare-root perennials