The Candide App is the best place to talk to the seller.
125g of seed, will cover 5 square mtrs. Prefers heavier soil, but will not survive in acidic soils. Use for ground coverage while veg plot not in use. Keeps weeds at bay and puts goodness back into soil. Cut foliage and leave to rot on ground. Dig remaining in 2 weeks before sowing new seeds or planting new crops.