Hyssop

Hyssop

herb

Aromatic medicinal herb with spikes of blue-purple flowers. Repels cabbage moths. Excellent bee and butterfly plant. Woody base — cut back in spring.

At a glance

USDA Zones
3–9
Sun
Full sun (6+ hrs)
Water
Low — drought-tolerant once established
Soil
Loam, sandy, chalky
pH
Neutral, alkaline
Spacing
12 in. between plants
Per square foot
1 plant per square

Planting & harvest windows

Northern Hemisphere timing. Adjust ±4–6 weeks based on your last/first frost dates.

ActivityJanFebMarAprMayJunJulAugSepOctNovDec
Plant
Harvest

Plant  Harvest

Good companions

Keep apart from

Recommended varieties

  • Blue Hyssop
    both

    Classic tall variety with deep violet-blue flower spikes.

  • Rock Hyssop
    both

    Compact low-growing variety — suited to smaller beds.

Add Hyssop to your raised bed — the planner handles spacing and companion warnings automatically.

Open the planner →