Here is what Sorrel needs to thrive.

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Sorrel

Rumex acetosa

Zones 3–9

Growing

This perennial herb thrives in slightly acidic soil, ideally between a pH of 5.5 and 7.0, and prefers environments that remain evenly moist. Because it is a cool-season crop, you can start seeds indoors or transplant nursery stock once the soil has warmed. While it is quite hardy and can survive a hard freeze, you will find the best flavor in the young, tender leaves and shoots. As the plant matures, the leaves can become quite tough, so it is best to harvest them while they are still small and succulent.

When you are ready to use your harvest, pick the leaves as needed for immediate use, as they do not continue to ripen once detached from the plant. If you find yourself with an abundance, you can blanch the leaves before freezing them to preserve their bright, lemony acidity. For longer-term storage, you can also dry the leaves or use them in pickling. If you are using the leaves in a cooked dish, such as a traditional sour soup or a delicate salmon sauce, a quick rinse can help reduce any lingering bitterness.

Stats
Sunfull sun
Watermedium
Grow time<45 days
Height1–3ft
Spacing6–12in
Light
Full sun✓
Part shade✓
Shade✓
Traits
Life cycleperennial
Categoryleafy
Growth habitrosette
Seasoncool
Frost tolerancehardy
Height1–3ft
Spacing6–12in
Days to maturityunder 45
Growing
Watermedium
Drainagemoist
Soil ph min5.5
Soil ph max7.0
Propagation
Seed✓
Cutting✗
Division✓
Graft✗
Tuber bulb crown✗
Transplant✓
Container ok✓
Pollinationwind
Pollinator friendly✓
Toxic parts
Leaves✗
Seeds✗
Raw✗
Post harvest
Wash before storing✗
Ripens off plant✗
Curing daysnone
Shelf life3–7d
Storage methods
Room temp✗
Cool dark✗
Fridge✓
Freeze✓
Can✗
Dry✓
Ferment pickle✓
Blanch before freezing✓
Calendar, zone 7
JanFebMarAprMayJunJulAugSepOctNovDec
Sownoyesyesyesyesnononoyesnonono
Harvestnononoyesyesyesyesyesyesyesyesno