This really works - we did it for our raised beds and regular garden, no weeds for two years!! The newspaper will prevent any grass and weed seeds from germinating, but unlike fabric, it will decompose after about 18 months. By that time, any grass and weed seeds that were present in the soil on planting will be dead. It’s green, it’s cheaper than fabric, and when you decide to remove or redesign the bed later on, you will not have the headache you would with fabric. (another pinner said)
FENUGREEK GREEN MANURE An attractive and easily managed green manure crop that can be sown in autumn in warmer areas, otherwise sow in spring. The thick mat of foliage will suppress weed seeds and provide a nitrogen rich resource to the soil. Seeds can be collected and used in Indian cooking. Ideal for under-planting with broad beans. Broadcast seed then thin to 10-20cm spacing. Dig in at 10 weeks.