Here is a great tool that will do all the hard work for you.,With holes with spiral drilling system and grass auger This is a handy gardening tool for planting bulbs, bedding plants and seedlings. Designed to help youplant your grass plugs and small annuals much faster than with a shovel or garden trowel, this drill actually shreds the soil, giving your plants a better one with the soil to the root. It makes horticultural maintenance quick and simple even for novices! Practical tool: This handy gardening tool easily copies holes and makes gardening maintenance quick and simple. Ideal auger for planting bulbs for tulips, irises, bulbs, bedding plants and seedlings. Quality Material: Made of Durable Steel Material, Designed and developed to be bulldozed through the most fashionable soils for easier and faster planting of tubers or weed removal. Energy Saving: Use any electric or cordless drill that can hold 3/8" bit. Not only do you dig deep holes, it immediately pulverizes the soil, making it convenient to plant more in less time. Digging Range: Quickly digs holes up to 7 inches deep and 1.75 inches wide using the power of a handheld drill. Specifications:Color: Black. Weight: 621g. Size: 12 inches. Package Included: 1 x Spiral Arrangement Hole Drill with Grass AugerNote: Due to the different monitor and light effect, the actual color of the item may be slightly different from the color showed on the pictures.