Easy Bulb Planting! Very practical planting baskets. Just cover the bottom of the basket with a layer of soil, place the bulbs at the right spacing in the basket. Then dig out the planting hole, Approx. 3 times their own height then place the basket in the hole then cover with soil. & after the have finished flowering, simply lift the basket with the bulbs, store the bulbs. Round Baskets 30cm.