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Dandelion

Taraxacum Officinale · Asteraceae

Edible perennial herb grown for tender bitter greens, roots, and cheerful yellow flowers. Best harvested young in cool weather when leaves are mild and upright, before heat and aging increase bitterness. Key facts: 40–60 days to maturity, 4+ hours of sun, 6–10 " spacing. Container-friendly (minimum 1-gallon pot).

Updated April 19, 2026 · Backed by 5 cited sources
Overview

At a Glance

The essentials first: timing, light, spacing, seed-starting, container fit, and overall size.

Days to maturity
40–60 days
Sun
4+ hours
Full Sun In Cool Weather Or Light Shade In Warm Climates
Spacing
6–10 "
between plants
Seed start
0–2 weeks
before transplant
Container
Yes
1+ gallon pot
Height
0.5–1.5 ft
at maturity
Planting window

Zone Planting Guide

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This card updates instantly with viability, frost timing, and any planting notes for your selected zone.

Care

Growing Guide

Everything in one place: seed starting, transplant timing, watering, soil, and structural support.

Seed starting
Germination
Time7–14 days
Optimal temperature60°F
Seed depth0.125"
Moving outdoors
Transplanting
Minimum soil temp45°F
Harden off5 days
Moisture
Watering
Weekly1–1.5 "
NeedsModerate
Drip or gentle overhead early in the day
Root zone
Soil
pH range6–7.5
PreferredDeep Loose Fertile Soil
Resilience

Plant Health

Stress tolerance, resistance notes, and the most common problems to watch for as plants mature.

Tolerance
Heat: Moderate Cold: High Drought: Moderate

Common Issues

Bitterness

Cause: Heat and plant age increase strong flavor

Prevention: Harvest young leaves in cool weather and keep growth steady with moisture.

Leaf Spot

Cause: Wet crowded foliage

Prevention: Thin plants and water early

Self Seeding

Cause: Mature puffball seed heads disperse readily

Prevention: Harvest or deadhead flowers before seed disperses

Feeding & picking

Nutrition & Harvest

How hungry the plant is, what ripe harvest looks like, and how long the crop keeps after picking.

Feeding
Nutrition
Feeding intensityLight feeder
RecipesWorm Castings Topdress, Compost Tea
Timing
Harvest

Young leaves are 3-8 inches long and still tender; roots are best before heavy flowering.

Expected yield0.2–0.75 lbs/plant
Storage5 days — Refrigerate greens wrapped loosely; roots can be dried after washing and slicing.
Plant relationships

Companion Planting

Helpful neighbors can support growth or deter pests. Keep antagonistic plants separated to reduce stress and competition.

What you'll need

Growing Supplies

Based on Dandelion's growth profile -- recommendations matched to this variety's specific requirements.

Drip irrigation / soaker hose kit

Every gardener benefits from putting water at the root zone instead of on the leaves, because drip and soaker systems reduce foliar disease pressure by limiting leaf wetness and soil splash. A quality kit should include a backflow preventer, filter, pressure reducer, and UV-resistant tubing.

Source: Iowa State University Extension; Colorado State University Extension; UMass Extension

Soil test kit

A soil test gives a baseline for pH and nutrient status so gardeners can add only what the soil actually needs. Prioritize a mail-in or lab-affiliated kit whenever possible because extension guidance notes that laboratory testing is more accurate than instant readers.

Source: University of Maryland Extension; Purdue Extension; Montana State University Extension

Quality bypass pruners

Extension guidance favors bypass designs because they make cleaner, closer cuts on living tissue than anvil types. Look for hardened steel blades that can be sharpened, a comfortable grip, and a cutting capacity matched to real home-garden stems.

Source: University of New Hampshire Extension; Iowa State University Extension; Purdue University Extension

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Research

Sources

Reference material and extension guidance used to build this growing guide.

seed_catalog Seeds Nowuniversity North Carolina Extension Gardener Plant Toolboxuniversity UMass Extension Weed Herbariumuniversity University of Minnesota Extensioninference Estimated edible harvest window from cool-season greens timing and dandelion growth habit
Internal links

Dandelion Planting Dates by Zone

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