Naturalized tulips grown as perennials need to keep their leaves intact to store energy for the following year in their bulbs. Let their leaves naturally decline in fall, and then remove the old ...

Encourage naturalizing by planting tulips in a sunny, well-drained location. Plant bulbs eight inches deep. I usually plant 6 inches deep and mulch to about 2 inches. Water well after planting.

Matt Collins, writer and head gardener at the Garden Museum, told Lucy: “Species tulips never went out of fashion, though they have certainly seen a resurgence in recent years.

They may not naturalize very well, but Tulipa "Black Jack" makes a big impact when displayed in large bunches. Some tulips will act more like annuals and disappear after one season's bloom.