Plant library · Perennial Flowers
Lilium spp.
Lily brings a tall, fragrant vertical note to perennial borders in early to midsummer. At about 3 feet tall and only 1 foot wide, it reads more as a series of upright stems than as a broad clump. Use it to lift the middle or back of a planting without giving up much bed width, while keeping the flowers accessible for cutting.
Set lilies behind low edging plants or between mounding perennials so their 3-foot stems rise above the front of the bed. A repeated line along a fence, wall, or deeper border can create rhythm without crowding the path edge. Leave a reach-in strip from a path or lawn side for cutting flowers, tying stems, and removing spent blooms. Where wind is likely, place stakes at planting time and keep the support within the planting group rather than at the exposed outer edge.[1][2]
Space plants 1 foot apart, center to center. This matches the roughly 1-foot mature width, creating a close, continuous run of stems rather than wide individual clumps. In a mixed border, reserve that same 12-inch band for each lily so neighboring plants do not press into the stems. Set taller or spreading companions farther back or to either side, preserving a clear approach for staking and flower cutting.
Use a partial-sun position with soil that drains freely and does not remain waterlogged around the bulbs. Maintain moderate, even moisture through active growth, especially where a border sits beneath roof overhangs or beside thirsty shrubs. A light mulch can help keep the root zone from drying too quickly while leaving the crown area open to air movement.[1][2]
The planting earns its space most visibly from early to midsummer, when the flowering stems become a focal point in the border. Plan the surrounding bed so lower foliage and later-season perennials carry the view before and after the blooms. Cut faded flower heads, then allow stems to remain until they yellow so the bed does not lose its bulb-building foliage too soon.[1][2]
Avoid low pockets, heavy wet ground, and places where runoff collects, as poorly drained soil can lead to bulb rot. Tall stems may need support in wind-exposed positions; install stakes before planting so later work does not disturb bulbs. Keep the planting out of deep shade, where stems can lean toward light and become harder to manage within a formal border layout.[1][2]
Editorial content updated 2026-07-20.