Create large planters of bulbs, topping them with pansies or groundcovers that trail over the planters' edges. Interplant early-flowering species such as crocus and daffodils with perennials that hide bulb foliage. Incorporate small gravel or a readymade product such as PermaTill into bulb plantings to deter voles and squirrels. Or, lay wire mesh screening over bulb plantings. Plant bulbs 2-3 times depth of bulb heighth.
Shallow planting promotes poor development.
Give bulbs fall feedings with a bulb booster or organic material.