Czechmark Twopink Weigela prefers full sun. It will tolerate partial sun, especially in hotter weather, but full shade will not be idea for this shrub. This makes them perfect on south-facing walls and as a border along a sunny walkway or front lawn. Typically, full sun means at least 6 to 8 hours of direct sun exposure, and partial sun means 4 to 6 hours of direct sun exposure.