Plant your allium bulbs as early in the fall as possible to ensure good establishment before winter. Feel free to add a pinch of bone meal to the planting pit for extra nutrition. Gently compact the soil around the onion to promote direct contact and growth. The soil should be well-drained and enriched with nutrients, while retaining its humus content. If the soil is clayey and heavy, consider mixing in sand or compost to optimize drainage.

A clever placement is near perennials, allowing the perennials to screen the wilting foliage of the allium bulbs. Allow the leaves to wilt naturally, so that the bulbs can reabsorb nutrients. During each spring, give a nutritional boost with bone meal for optimal growth.

When planting, place smaller bulbs about 5 cm below the soil surface, while the larger bulbs can be placed deeper, around 15-20 cm down. Avoid planting bulbs that show signs of mold or rot. By integrating the bulbs between short-growing perennials, you create both visual vibrancy and dimension to your garden bed. These allium flowers will bloom ahead of many other plants in the border, creating a colorful start to the gardening season.