How to Grow Culinary Herbs
Wikimedia Commons
Culinary Herbs
Various species (Ocimum, Petroselinum, Mentha, Origanum, Thymus, Salvia, Rosmarinus, Anethum, Coriandrum, and others)
herbCulinary herbs are aromatic plants grown primarily for their leaves, seeds, or flowers used in cooking and flavoring. This category encompasses both annual herbs like basil and parsley, and perennial herbs like rosemary and thyme. They thrive in most climates and are excellent for container gardening, raised beds, or in-ground planting.
Looking for a specific variety?
When should you plant Culinary Herbs in your zone?
Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.
Example Culinary Herbs timeline · Pittsburgh, PA (Zone 6b)
-
Plant Culinary Herbs
Around Apr 17Near Pittsburgh's average last spring frost.
-
Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
-
Harvest Culinary Herbs
Around May 17≈ 30 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Culinary Herbs dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Most culinary herbs thrive in zones 5-9; tender annuals can be grown anywhere with protection or container cultivation
Sign up free to see if Culinary Herbs grows in your zone — and get a personalized planting timeline.
Get my Culinary Herbs timeline →Growth Stages
Seedling
2-3 weeksFirst true leaves appear; plants are delicate with 2-4 leaves visible
Keep soil consistently moist but not waterlogged; provide bright indirect light; thin seedlings to proper spacing to prevent crowding
Vegetative Growth
3-8 weeksBushy foliage develops; plant becomes fuller with multiple stems and leaf sets
Pinch off flower buds on annuals like basil to encourage leaf production; water regularly; fertilize lightly every 2-3 weeks with balanced fertilizer
Flowering (if allowed)
2-4 weeksFlower buds form and bloom; plants reach maximum height; flowers are often aromatic and edible
For leaf production, pinch flowers off most annuals; for seed herbs like coriander and dill, allow flowers to mature; bees love herb flowers
Seed Production
2-3 weeksFlowers fade and seed heads develop; seeds ripen and dry on plant
Relevant mainly for seed-producing herbs (coriander, dill, fennel); allow seeds to mature fully before harvesting; cut entire seed head when mostly brown
Established Perennial
Ongoing, 3-5+ yearsPerennial herbs like rosemary, thyme, and oregano develop woody stems and extensive root systems; year-round growth with seasonal dormancy
Prune lightly in spring to shape; avoid heavy pruning in fall; mulch in winter in cold zones; divide every 3-4 years if needed
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
-
Spray with water jet; use insecticidal soap; introduce ladybugs; avoid over-fertilizing with nitrogen
-
Increase humidity; spray with water; use miticide if severe; ensure good air circulation
-
Yellow sticky traps; insecticidal soap; neem oil; encourage natural predators
-
and
Remove by hand; beer traps; diatomaceous earth; copper barriers; encourage ground beetles
-
Improve air circulation; avoid overhead watering; spray with sulfur or baking soda solution; remove affected leaves
Uses
Fresh cooking and seasoning
CulinaryCulinary herbs are essential for flavoring soups, salads, sauces, marinades, and main dishes. Fresh herbs provide superior flavor to dried alternatives and can be used as garnishes. [source]
Herb preservation and storage
CulinaryHerbs can be dried, frozen, infused in oils, or made into butters and pesto for year-round use. Drying concentrates flavors and creates shelf-stable pantry staples. [source]
Herbal teas and wellness
MedicinalMany culinary herbs like mint, chamomile, and lemon balm have soothing and digestive properties and are traditionally brewed as teas. These infusions support digestive health and relaxation. [source]
Natural cleaning and fragrance
HouseholdHerbs like rosemary and lavender can be used in homemade cleaning solutions, sachets, and potpourri. Essential oils extracted from culinary herbs provide natural fragrance without chemicals. [source]
Pollinator support and biodiversity
WildlifeHerb flowers attract bees, butterflies, and other beneficial insects that improve garden pollination. Allowing some herbs to flower creates nectar sources for pollinators. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Harvest leaves in the morning after dew dries for best flavor and essential oil content. Pinch off top ⅓ of stems regularly to encourage bushiness. For annuals, begin harvesting when plant has 6-8 leaves. Cut above leaf nodes to promote branching. Perennial herbs can be harvested year-round but avoid cutting more than ⅓ of plant at once. For seed herbs, harvest seed heads when 75% brown and before they shatter.
Fun Facts
- 🌱 Basil is one of the fastest-growing herbs and can be harvested as early as 3-4 weeks; regularly pinching the top encourages a bushier plant with more leaf production than letting it flower.
- 🌱 Rosemary's name comes from Latin 'rosmarinus' meaning 'dew of the sea,' and it's known for exceptional drought tolerance once established, making it perfect for water-wise gardens.
- 🌱 Many culinary herbs like oregano, thyme, and marjoram are native to Mediterranean regions and naturally thrive in poor, well-draining soil, which is why they dislike being over-watered or over-fertilized.
Gardening Terms
New to gardening? Learn about terms used in this guide:
Join 30,000 gardeners planning their gardens with LizPlants.
Get your personalized Culinary Herbs planting timeline
Tell us your zip code and we'll calculate exactly when to start Culinary Herbs seeds, transplant seedlings, and harvest — based on your USDA zone and local frost dates. Includes calendar reminders and printable task lists. Free to start.
Get my Culinary Herbs timeline →