Oct 06, · Vigoro Anchoring Spike Packs should be used to secure Vigoro No-Dig Edging. Vigoro anchoring spikes are useful when mait tight curves or circular designs with Vigoro No-Dig Edging. They can also be used as a general anchoring spike for many other landscape applications. Vigoro No-Dig Edging products. The HENAN Okay spiral spikes are made from heavy-duty plastic mposite and are very durable for