Crop guide · The daisy family

How to grow dandelions

A fully edible, fast-growing perennial grown for its bitter salad leaves, edible flower heads, and fleshy taproot — all from a single plant.

Taraxacum officinale · also called common dandelion, lion's tooth

Full sun Beginner Frost-hardy
Sun
Full sun
Partial afternoon shade once temperatures stay above 85 °F (29 °C) slows bolting (the shift from leaf growth to flowering) and reduces leaf bitterness.
Frost
Hardy
Survives hard frost
Spacing
6 in
15 cm between plants
Sow depth
⅛ in
3 mm
To harvest
60–95 days
counted from sowing
Soil pH
5.5–7.5
slightly acidic to neutral
Timing

When to plant dandelions

Windows are counted from the average date of your last spring frost.

Fall planting:8–10 weeks before first fall frost for overwintering rosettes.
Too late?Skip a spring sowing once daytime temperatures regularly exceed 80 °F (27 °C) and nights stay warm — leaves turn unpalatably bitter; sow again in late summer for fall harvest.
Background

Why grow dandelions

Cultivated selections produce leaves two to three times larger than wild plants with milder bitterness, making them genuinely useful in the kitchen. The plant requires almost no inputs and produces from early spring through hard frost.

A little history. Native to Eurasia and documented in cultivation since at least the 10th century in Arab medical texts; the deeply lobed leaf margin that inspired the French 'dent de lion' (lion's tooth) is the basis for most common names.

The season, step by step

From planting to harvest

Sow outside

2–4 weeks before last frost

Sow seeds ⅛ inch (3 mm) deep, and aim for 6 inches (15 cm) between plants once thinned. Press seeds lightly into the surface — they need light to germinate; keep the top quarter-inch moist until sprouts appear. Seedlings emerge in 7–14 days.

Best soil temp 60–70 °F (16–21 °C) Minimum 50 °F (10 °C) Emerges in 7–14 days

Water and feed

All season

Water deeply once or twice a week during dry spells; established plants are drought-tolerant but leaves toughen without consistent moisture. Water when the top inch of soil feels dry and outer leaves begin to look slightly limp. Aim for about 1 inch per week including rain.

Side-dress (scatter fertilizer along the row and water in) once in early spring and once after a heavy leaf harvest. What to use: balanced compost or a low-nitrogen organic fertilizer; excess nitrogen produces lush but very bitter leaves.

Prune and maintain

As it grows

Pinch or cut flower stems at the base as soon as they emerge if leaf production is the goal — allowing the plant to flower redirects energy away from the rosette and accelerates bitterness.

Harvest and store

60–95 days from sowing

It's ready when harvest outer leaves once they reach 4–6 inches long and before any flower stems emerge. Roots are ready when the taproot is at least half an inch in diameter at the crown, typically in fall of the first year. Snap or cut outer leaves at the base, leaving the central growing point intact for regrowth. For roots, loosen soil 6–8 inches deep with a fork and pull the taproot straight up to avoid breaking it.

Leaves: refrigerate unwashed in a damp cloth or sealed bag for up to 5 days. Roots: store in damp sand in a cool, dark place for several weeks, or slice and dry at low heat.

Companions

Good neighbours, bad neighbours

Plant it with

Lettuce

Lettuce feeds from the top few inches while the dandelion taproot pulls water and minerals from well below, so the two rarely fight over the same soil. Both are cut-and-come-again greens on the same watering and harvest schedule.

Arugula

Fast, low arugula closes over bare ground between young dandelion rosettes, which can hold soil moisture and crowd out weeds while the taproot establishes. Sow it thinly so it does not smother the crowns.

Chives

The strong onion smell of chive foliage can help hide neighbouring leaves from aphids, which locate host plants partly by scent. Plant a clump every few feet rather than a single edge tuft.

Strawberry

Dandelion flower heads open very early and are a dependable source of nectar and pollen for bees, which can bring more foraging visits to strawberry blossoms nearby. Let a few heads open at the bed edge, then cut them before they set seed.

Keep it away from

Fennel

Fennel roots release substances that stunt most garden vegetables, and seedling greens are especially slow to recover. Grow it in its own corner or a separate pot well away from the bed, where its flowers still feed hoverflies and tiny parasitic wasps.

See dandelions in the full companion chart →

Crop rotation

After this crop

Rotation

A perennial — it holds its spot for years, so it sits outside the annual rotation.

Dandelion is a perennial and stays put, so it sits outside the annual rotation and needs no family gap. Its deep taproot loosens compacted subsoil and leaves channels behind. If you lift the planting, follow with peas or beans, or with a leafy or root crop.

Trouble to watch for

Pests and diseases

Pests

Aphids

Sign
Clusters of small soft-bodied insects on the undersides of leaves or along flower stems; leaves may curl or look sticky.
Fix
Knock off with a firm water spray; repeat every 2-3 days until populations drop.

Slugs

Sign
Irregular ragged holes in leaves, especially near the center of the rosette; silvery slime trails on or near the plant.
Fix
Set out shallow traps filled with beer at soil level each evening; remove and dispose of slugs each morning.

Leaf miners

Sign
Pale winding tunnels or blotches visible inside the leaf tissue when held to light.
Fix
Remove and bin affected leaves promptly; do not compost them. Row cover early in the season prevents egg-laying.

Diseases

Powdery mildew

Sign
White or grey powdery coating on the upper leaf surface, usually appearing first on older outer leaves in warm, dry weather.
Prevent
Space plants at least 6 inches apart for airflow; water at the base, not overhead; remove heavily affected leaves promptly.

Crown rot

Sign
The central growing point turns soft, brown, and foul-smelling; outer leaves yellow and collapse inward.
Prevent
Avoid overwatering and ensure the bed drains freely; do not bury the crown below soil level when transplanting or mulching.
FAQ

Common questions about dandelions

When should I plant dandelions?
Spring: 2–4 weeks before last frost, once soil reaches 50 °F (10 °C). Fall: 8–10 weeks before first fall frost for overwintering rosettes.
How long until dandelions are ready to harvest?
60–95 days, counted from sowing. It's ready when harvest outer leaves once they reach 4–6 inches long and before any flower stems emerge. Roots are ready when the taproot is at least half an inch in diameter at the crown, typically in fall of the first year.
Can I grow dandelions in a container?
Either works — needs at least 12 inches of soil depth to accommodate the taproot; deeper is better for root harvest. In containers: 3-gallon pot, 12 inches deep minimum.
How often should I water dandelions?
Water deeply once or twice a week during dry spells; established plants are drought-tolerant but leaves toughen without consistent moisture. Water when the top inch of soil feels dry and outer leaves begin to look slightly limp.
How should I store dandelions after harvest?
Leaves: refrigerate unwashed in a damp cloth or sealed bag for up to 5 days. Roots: store in damp sand in a cool, dark place for several weeks, or slice and dry at low heat.
Can dandelions stay in the ground over winter?
The taproot is fully winter-hardy in most climates. Mulch the crown with 2–3 inches of straw after the ground cools to protect against repeated freeze-thaw cycles; remove mulch as soon as growth resumes in spring.

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