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Plant library  ·  Herbs

Anise

Pimpinella anisum

Anise is an upright annual herb that brings a light, airy presence to a sunny herb bed. At about 2 feet tall, it can sit behind low edging herbs without becoming a large visual barrier. Its small white summer flowers extend the bed’s active season and add a pollinator-friendly element. Keep it within easy reach if the late-summer-to-early-fall seed harvest is part of the plan.

Sunlight Full Sun
Water Moderate
Planning spacing 0.75 ft
Typical mature size 2 ft tall, 1 ft wide
Typical bloom Mid to late summer

Anise spacing and mature footprint

Space Anise 9 inches apart, measured center to center (23 cm).

The mature spread is about 12 inches (30 cm), so plants set at that distance grow together into a closed canopy over the bed.

Treat 9 inches as a planning baseline — cultivar and local growing conditions shift the final footprint.

Compare with the full herb spacing chart

Three plants set 0.75 ft apart, center to center; shaded circles show the 1 ft mature spread.

Placement and use

Place anise in an open, full-sun part of the kitchen or cutting garden, rather than along the shaded side of a fence or beneath taller crops. A position beside a path works well: the slender foliage occupies little visual mass, while the flowering and seed-setting stems remain accessible. It can be grouped with coriander and beans as named companions, but leave enough room to reach between plants without brushing through the developing seed heads.[1][2]

Spacing and mature footprint

Set plants 9 inches apart, center to center, for a close but individually defined row or block. Each plant matures to roughly 1 foot wide, so reserve a narrow band of bed space rather than treating it as an edging plant. In a bed deeper than 2 feet, place anise toward the back half and keep a path-facing edge clear for harvesting and cleanup.

Sun, water, and soil

Give anise full sun and moderately moist, well-drained soil. Avoid a low pocket that stays wet after rain, especially where tightly planted herbs can limit air movement around the base. A loamy planting strip with regular access to water suits its long warm-season run, while a raised or gently mounded area can help keep drainage moving.[1]

Seasonal notes

This annual needs a long growing window, taking about 120 days to reach maturity. Plan for foliage and upright stems through summer, with flowers from mid to late summer and harvesting from late summer into early fall. Leave its allotted space in the bed until seed harvest is complete, then clear the plant to reopen the area for a succeeding cool-season crop or bed renewal.

Planning caveats

Anise dislikes root disturbance, so give it its final position early and avoid treating it as a plant that can be shifted around to fill gaps later in the season. Seed-bearing stems may need light support to keep them upright and off the ground. Allow a little open working room at the row ends for staking, harvest, and removal after the annual cycle finishes.[1]

Growing facts

Botanical name
Pimpinella anisum
Type
Herb
Category
Herbs
Lifecycle
annual
Sunlight
Full Sun
Water
Moderate
Planning spacing
0.75 ft
Typical mature size
2 ft tall, 1 ft wide
Typical days to maturity
About 120
Typical bloom season
Mid to late summer
Typical harvest season
Late summer to early fall
Plan a garden with anise

References

  1. Pimpinella anisum | aniseed — Royal Horticultural Society
  2. Anise - Pimpinella anisum — North Carolina Extension Gardener Plant Toolbox