Garden Scheme
Borago officinalis
Borage is a fast-growing annual herb that reaches about 2½ feet tall and 2 feet wide. Its blue flowers carry the planting from late spring into early fall, while the foliage and flowering stems create a loose, full presence rather than a tidy edging line. Use it where that seasonal volume can be useful: in an herb bed, along the productive edge of a vegetable plot, or in a mixed planting that has room to soften.
Space Borage 18 inches apart, measured center to center (45 cm).
The mature spread is about 2 ft (60 cm), so plants set at that distance grow together into a closed canopy over the bed.
Treat 18 inches as a planning baseline — cultivar and local growing conditions shift the final footprint.
Give borage a sunny position toward the middle or back of a bed, behind low herbs and in front of crops or structures that will not be crowded by its broad summer growth. Keep it close enough to a path for regular harvesting, but avoid placing it at a narrow bed entrance where its foliage can reduce circulation.
Set plants 18 inches apart, center to center, then plan for each plant to occupy roughly 2 feet of bed width as it matures. That close spacing can read as a continuous, informal patch, so leave a reachable edge or path on at least one side instead of surrounding the planting with other crops. In a narrow border, use a single row rather than a double row to preserve access and prevent the bed from becoming visually heavy.
Place borage in full sun and keep moisture moderate through the growing season. A site with drainage is important; avoid low pockets that remain wet after rain or irrigation. It can work in an in-ground herb or vegetable bed and is also suitable for a large container, provided the container has enough footprint to balance its broad, top-heavy summer growth.[1][2]
Expect the main flowering and harvest window from late spring through early fall, beginning around 50 days from planting. Treat its footprint as a warm-season occupancy in the plan: it fills out quickly, stays present through summer, and can shade smaller neighbors if it is placed on the wrong side of the bed. Leave room to remove spent plants or rework the space when the annual season ends.
Borage readily self-seeds, so avoid placing it where volunteer seedlings would be difficult to identify, remove, or accommodate the following year. A defined bed edge, mulch-free sowing strip, or nearby path makes new seedlings easier to spot. If you want tighter control of the layout, remove flowering stems before seed drops and replant only where a new clump is wanted.[1][2]