How to Grow Gardening Herbs (General)

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Gardening Herbs (General)

Various species

herb

Culinary and medicinal herbs are a diverse group of plants prized for their aromatic leaves, seeds, and flowers. They range from tender annuals to hardy perennials and are essential in kitchens and traditional medicine worldwide. Most herbs are low-maintenance, adaptable, and can be grown in gardens, containers, or indoors.

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Example Gardening Herbs (General) timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Gardening Herbs (General)

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Gardening Herbs (General)

    Around May 17

    ≈ 30 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Gardening Herbs (General) dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun, 6-8 hours daily (some shade-tolerant varieties like mint and parsley tolerate 4-6 hours)
💧
Water: Moderate, consistent moisture without waterlogging. Most herbs prefer drying slightly between waterings. Reduce watering in winter for dormant perennials.
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Spacing: 6-18 inches depending on variety (basil 6-8 inches, rosemary 12-18 inches) inches
📅
Days to maturity: 30-90 days from seed to first harvest, depending on species and conditions
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Planting depth: Seed: 1/4 to 1/2 inch; Transplants: at soil line, same depth as container

Soil

Type: Well-draining loamy or sandy soil with good organic matter
pH: 6.0-7.0 (neutral to slightly acidic)
Amendments:
Compost aged manure perlite or sand for drainage leaf mold

Growing Zones

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Most herbs thrive in zones 5-9; tender annuals like basil need zones 6+; hardy perennials like thyme survive zones 4-9

3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a

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Growth Stages

1

Seedling

2-4 weeks

Small cotyledons emerge, followed by true leaves developing. Plant is delicate and establishing root system.

Keep soil consistently moist but not waterlogged. Provide bright light (12-16 hours). Protect from strong drafts. Thin seedlings to proper spacing once first true leaves appear.

2

Vegetative Growth

4-8 weeks

Rapid leaf and stem development. Plant becomes bushy with increasingly mature foliage. No flowering occurs.

Pinch off growing tips to encourage bushier growth. Begin light harvesting once plant has 6+ true leaves. Water regularly and feed with balanced fertilizer every 2-3 weeks.

3

Pre-Flowering/Bolting

2-4 weeks

Plant sends up flowering stems; leaves may become tougher and flavor can change. Growth pattern shifts to reproductive focus.

Pinch off flower buds to extend leaf production (especially basil, parsley, cilantro). For herbs grown for seeds (dill, fennel), allow flowering. Reduce nitrogen fertilizer.

4

Flowering/Seed Production

3-8 weeks

Blooms appear in various forms (clusters, spikes, tiny flowers). Seeds develop after pollination. Herbal potency peaks for many species.

Flowers are edible and ornamental for many herbs. Harvest flowers before full maturity for culinary use. Allow full maturity for seed collection. Deadhead if extending leaf harvest.

5

Dormancy (Perennial Herbs)

4-6 months

Plant dies back (herbaceous perennials) or slows growth dramatically (woody perennials like rosemary). Stored energy in roots sustains plant.

Cut back dead growth. Reduce watering significantly. In harsh climates, mulch heavily around base. No fertilizing needed. Prune woody herbs in early spring before new growth.

Companion Planting

Plan your garden →

Plant with:

Vegetables (tomatoes, peppers, lettuce) Flowers (marigolds, nasturtiums, borage) Garlic Onions Other herbs

Avoid planting near:

Fennel (allelopathic, inhibits nearby plants) Rue (can inhibit some plants)

Common Pests

  • Spray with water to dislodge; use neem oil or insecticidal soap; introduce ladybugs; reflective mulches

  • Increase humidity; mist foliage; neem oil; insecticidal soap; remove heavily infested leaves

  • Yellow sticky traps; neem oil; insecticidal soap; increase air circulation

  • Remove by hand; alcohol-soaked cotton swabs; neem oil; insecticidal soap

  • and (Gastropoda)

    Hand-pick; copper barriers; beer traps; diatomaceous earth; remove shelter (mulch piles)

  • Improve air circulation; avoid wetting foliage; sulfur spray; baking soda solution; remove affected leaves

Uses

🍳

Fresh and cooked cooking

Culinary

Most culinary herbs (basil, rosemary, thyme, parsley, oregano) enhance savory and sweet dishes. Add tender herbs at end of cooking for freshness; use hardier herbs earlier in cooking to extract flavors. [source]

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Traditional remedies and wellness

Medicinal

Herbs like chamomile, peppermint, and ginger have been used for centuries for digestive, immune, and relaxation support. Herbal teas and infusions are the most common preparation. [source]

🏠

Herbal teas and infusions

Household

Fresh or dried herb leaves and flowers steep in hot water to create aromatic, flavorful beverages. Popular for relaxation, digestion, and enjoyment throughout the day. [source]

🎨

Drying, preservation, and crafts

Craft

Herbs can be dried for long-term storage, made into wreaths, sachets, or potpourri. Dried herbs retain flavors and aromatic compounds for months. [source]

🦋

Pollinator and beneficial insect attraction

Wildlife

Herb flowers attract bees, butterflies, and other beneficial insects. Growing herbs organically supports local ecosystems and improves garden productivity. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Begin harvesting once plant has 6+ true leaves. Pinch from growing tips to encourage bushiness. Harvest in the morning after dew dries for peak flavor and essential oil content. For perennials, never remove more than 1/3 of foliage at once. Dry or freeze fresh herbs for preservation. Collect seeds when fully mature and turning brown.

Fun Facts

  • 🌱 The word 'herb' comes from Latin 'herba' meaning grass or green crop. Technically, culinary 'herbs' include woody shrubs like rosemary and thyme, which botanists don't classify as herbs but as shrubs.
  • 🌱 Many herbs contain volatile essential oils that give them their characteristic flavors and aromas—these oils peak just before the plant flowers, which is why harvesting timing matters.
  • 🌱 Some herbs like mint and oregano spread so vigorously via runners that they're considered invasive if not contained; growing them in pots or with barriers is recommended.

Gardening Terms

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