The Best Herbs to Plant Together for a Fragrant, Low-Maintenance Garden

The best herbs to plant together are the ones that want the same sun, drainage, soil richness, and watering schedule. That matters more than any simple companion planting chart. Rosemary, thyme, oregano, sage, lavender, marjoram, and savory belong together in a dry, full-sun, well-drained zone. Basil, parsley, cilantro, dill, chives, chervil, and tarragon do better in a richer, more evenly watered kitchen-herb bed. Mint is useful, but it should usually be contained in its own pot.

On our job sites, the herb gardens that hold up are designed like small construction projects: clear layout, correct material choice, good drainage, reachable beds, and a maintenance plan. A pretty first-week planting can fail by July if rosemary is sitting in wet soil beside basil, or if mint has been allowed to run through the whole bed.

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This guide covers 14 herbs that can be planted together, how to group them, what spacing to use, what a raised herb bed costs in 2026, and when a simple weekend project becomes work worth hiring out.

The 14 Best Herbs to Plant Together

For a reliable aromatic garden, group these herbs by growing conditions instead of mixing everything into one decorative planter.

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Dry, Full-Sun Mediterranean Group

These herbs prefer sharp drainage, full sun, and leaner soil than soft annual herbs. They are the best candidates for one raised bed, border edge, or long masonry planter.

• Rosemary: Give it 24 to 36 inches of space in warm climates where it can become shrub-sized. Use it as the anchor plant on the north side of the bed so it does not shade smaller herbs.
• Thyme: Space 8 to 12 inches apart. Thyme works well along the front edge of a bed where it can trail slightly and stay dry at the crown.
• Oregano: Space 12 to 18 inches apart and harvest often. It can spread aggressively in good conditions, so give it room.
• Sage: Space 18 to 24 inches apart. Sage needs airflow and dislikes wet roots.
• Lavender: Space 18 to 30 inches apart, depending on variety. It needs full sun and very good drainage.
• Marjoram: Space 10 to 12 inches apart. It is a softer relative of oregano and fits well between thyme and sage.
• Summer or winter savory: Space 10 to 12 inches apart. Savory likes the same lean, sunny conditions as thyme and rosemary.

Richer, More Evenly Watered Kitchen-Herb Group

These herbs handle more frequent watering and richer soil. They are better near the kitchen, patio, grill, or outdoor prep area where you can harvest them several times a week.

• Basil: Space 12 to 18 inches apart. Pinch tips regularly and keep at least one plant from flowering if you want tender leaves.
• Parsley: Space 8 to 12 inches apart. It tolerates some afternoon shade in hot regions.
• Cilantro: Space 6 to 8 inches apart. Succession plant every 2 to 3 weeks in cool weather because it bolts quickly in heat.
• Dill: Space 12 to 18 inches apart. Put it toward the north side or back of the bed because it can reach 2 to 4 feet tall.
• Chives: Space 8 to 12 inches apart. Chives are compact, dependable, and useful along the edge of a kitchen-herb bed.
• Chervil: Space 6 to 9 inches apart. It prefers cooler weather and can use light shade in hot climates.
• Tarragon: Space 18 to 24 inches apart. French tarragon is usually grown from plants, not seed, and appreciates good drainage without going bone dry.

Why Matching Water Needs Matters More Than Companion Charts

The most common herb-garden mistake is putting basil, rosemary, parsley, thyme, and mint into one small container because they all sound useful in the kitchen. They are useful, but they do not want the same living conditions.

Rosemary, lavender, sage, thyme, oregano, marjoram, and savory are built for sun and drainage. In a raised bed, they perform best in a mix that drains fast and is not overloaded with compost. If they sit in wet, rich soil, they can become weak, woody, or prone to crown and root problems.

Basil, parsley, cilantro, dill, chives, chervil, and tarragon want more consistent moisture. Basil in particular will complain fast in dry summer soil. Cilantro and chervil are cool-season performers and may bolt when temperatures climb. Dill grows tall and airy, which is good for beneficial insects but awkward if it shades smaller plants.

Plan irrigation zones first. A dry Mediterranean bed can be watered deeply but less often. A kitchen-herb bed may need more frequent watering, especially in July and August or in containers. Raised beds drain better and warm earlier in spring, but they also dry faster than in-ground beds. In hot US regions, drip irrigation is not a luxury; it is often the difference between a productive bed and a crispy one.

Best Planting Combinations for Beds and Containers

Below are practical groupings that work in real yards, not just on paper.

Combination 1: Mediterranean Raised Bed

Use rosemary, thyme, oregano, sage, lavender, marjoram, and savory together in a 4-foot by 4-foot bed or a 2-foot by 8-foot border. This group wants at least 6 hours of sun, and more is better. Use a well-drained raised-bed mix and avoid burying the woody crowns under mulch.

In a 4-foot by 4-foot bed, place rosemary or lavender on the north side. Put sage in a back corner, oregano where it can spread, and thyme near the front edge. Marjoram and savory can fill middle gaps. This gives you a fragrant bed that stays relatively low-water once established.

Combination 2: Patio Kitchen-Herb Bed

Use basil, parsley, chives, tarragon, cilantro, dill, and chervil in a 2-foot by 6-foot bed near the kitchen or grill. This is the bed you harvest from constantly. Keep it within a few steps of the door if possible. Convenience drives maintenance. A bed 24 inches deep can be reached from one side; a 4-foot-wide bed should have access from both sides.

Put dill at the back or north side. Place basil where it gets good sun and airflow. Use parsley and chives along the edge. Cilantro and chervil can be planted in short rounds rather than all at once. In warm climates, start cilantro in early spring and again in fall instead of expecting perfect midsummer leaves.

Combination 3: Container Cluster for Spreaders and Tender Herbs

Mint and lemon balm are aromatic and useful, but they spread by roots and rhizomes. Do not plant them directly into a shared raised bed unless you are prepared to manage them aggressively. The better answer is a separate container.

Use a 12-inch to 16-inch pot for one mint plant, or a 20-inch container if you want a larger harvest. If you sink the pot into a bed, keep the rim above the soil line and check for escaping roots. We prefer separate containers on patios because they are easier to inspect, move, and replace.

Spacing, Mature Size, and Layout Rules

Herbs sold in small nursery pots can make a new bed look empty. That is normal. A good herb garden is spaced for the plant it will become in 8 to 12 weeks, not the plant you carried home from the store.

Use these spacing targets for most home gardens:

• 6 to 8 inches: cilantro, chervil, small parsley starts.
• 8 to 12 inches: thyme, chives, parsley, marjoram, savory.
• 12 to 18 inches: basil, oregano, dill.
• 18 to 24 inches: sage, tarragon.
• 24 to 36 inches: rosemary, large lavender varieties, mature perennial herbs in warm regions.

Tall plants belong on the north side of most US beds so they do not shade shorter plants. That rule matters most for rosemary, dill, mature lavender, and large sage. In a narrow bed against a south-facing wall, reverse the thinking based on where shadows actually fall.

Do not overcrowd containers for a full look on day one. A 16-inch round pot can handle one rosemary or one large basil with edge companions, but it cannot support rosemary, basil, mint, parsley, and thyme all summer without stress. Crowding reduces airflow, increases watering swings, and makes harvesting harder.

Raised Bed Size, Depth, and Soil Volume

A raised herb bed does not need to be huge. The best size is the one you can reach, water, and harvest without stepping into it.

For most homeowners, these dimensions work well:

• 2 feet by 6 feet: good for a narrow kitchen-herb bed along a patio, fence, or walkway.
• 4 feet by 4 feet: compact square bed with access from all sides.
• 4 feet by 8 feet: productive bed for herbs plus vegetables, but it needs clear access around it.
• 12 to 18 inches deep: a strong target for most herbs where budget and site conditions allow.
• 24 to 30 inches high: helpful for accessibility, less bending, and cleaner patio integration.

Soil volume is where many budgets get surprised. Multiply length by width by depth in feet. A 4-foot by 4-foot bed at 12 inches deep needs 16 cubic feet of soil. The same bed at 18 inches deep needs 24 cubic feet. A 4-foot by 8-foot bed at 18 inches deep needs 48 cubic feet, or about 1.78 cubic yards.

A practical raised-bed soil target is about 70 percent soil or bedding mix and 30 percent composted organic matter. For Mediterranean herbs, do not make the mix too rich or wet. Rosemary, lavender, sage, and thyme would rather have drainage than heavy fertility.

For woody herbs, keep mulch thin and pull it back from the crown of the plant. A wet mulch collar around lavender or sage is asking for trouble. For basil and parsley, mulch can help stabilize moisture, but the same crown-clearance rule still applies.

2026 Cost Guide for an Herb Garden

A small herb garden can cost less than a dinner out if you use seed packets and containers you already own. A professionally built raised-bed installation with premium materials, irrigation, and soil delivery can run into the thousands. The difference is scope.

Major cost drivers include bed material, bed height, soil volume, delivery distance, demolition, grading, irrigation, drainage correction, pest fencing, plant size, organic certification, and site access. A backyard with a wide gate and level ground is cheaper to build than a tight side yard where every bag of soil has to be carried by hand.

Materials That Work for Raised Herb Beds

Common raised-bed materials include cedar, redwood, galvanized steel, composite boards, stone, brick, concrete block, fabric grow bags, and food-safe containers. Each has tradeoffs.

Cedar and redwood are popular because they look natural and resist decay better than basic softwood. Galvanized beds are clean, durable, and fast to assemble, but they need careful placement in hot reflected-sun areas. Stone, brick, and concrete block look permanent and can tie into patios or seat walls, but they increase labor and may trigger more site planning. Fabric grow bags are inexpensive and drain well, but they dry out quickly and look less finished near formal outdoor living spaces.

Pressure-treated wood is a common question. Modern products are different from older treatments, but homeowners still need to be comfortable with the material choice around edible plants. When we build edible garden areas, we discuss material preferences up front and avoid mystery lumber, salvaged painted boards, railroad ties, and containers that previously held chemicals.

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For patios and outdoor kitchens, the bed should look intentional. Align it with existing hardscape lines. Leave enough room to pass with a tray, cooler, kneeling pad, or wheelbarrow. A 30-inch path is a tight minimum; 36 inches is more comfortable; 42 inches or more is better where two people may pass.

Maintenance: Harvesting, Watering, and Keeping Herbs Productive

Most culinary herbs need at least 4 to 6 hours of sun. Mediterranean herbs perform best in full sun with well-drained soil. Soft herbs like parsley, cilantro, and chervil can appreciate some afternoon shade in hotter parts of the country.

Harvesting is maintenance. Pinch basil, oregano, thyme, and mint often to keep plants bushy. Avoid removing more than about one-third of the plant at one time. For basil, pinch above a pair of leaves to encourage branching. For chives, cut leaves near the base with clean scissors. For thyme and oregano, take small stems frequently instead of waiting until the plant is woody and overgrown.

Flowering is a choice. Dill, cilantro, parsley, chives, thyme, oregano, and basil can support pollinators and beneficial insects when allowed to flower. That is useful near vegetable gardens. The tradeoff is that flowering can change culinary leaf quality, especially with basil and cilantro. A good setup is to keep one or two plants for flowers and keep separate culinary plants pinched for leaf production.

Water deeply enough to wet the root zone, then let the surface begin to dry based on the herb group. Mediterranean herbs should not sit constantly wet. Basil and parsley should not be allowed to wilt repeatedly. Containers may need daily checks in hot weather because small soil volumes swing from wet to dry fast.

Herbs You Should Not Plant Together

Some herbs are not bad neighbors because of chemistry. They are bad neighbors because their requirements or growth habits conflict.

• Rosemary with basil: rosemary wants drier, leaner conditions; basil wants richer soil and steadier moisture.
• Lavender with parsley or cilantro: lavender wants sharp drainage and full sun; parsley and cilantro prefer more moisture and may appreciate cooler conditions.
• Mint directly with almost anything: mint spreads aggressively and can overrun a shared bed.
• Dill in front of low herbs: dill can shade smaller plants if placed on the wrong side of the bed.
• Oregano in a tiny mixed pot: oregano can spread and crowd out smaller annual herbs.

If you want one mixed display, use separate pots grouped together visually. That gives you the look of one herb garden while keeping different water needs separate.

Permits, HOAs, and Site Safety

Most small backyard herb beds do not require a building permit. A 12-inch to 18-inch raised planter sitting fully on private property is usually treated as landscaping. Still, rules change by city, HOA, and site condition.

Check before building if the bed is in a front setback, street terrace, right-of-way, drainage easement, utility easement, or HOA-controlled area. Some cities require permission for planting in the right-of-way or street terrace. If the project includes retaining walls, terracing, electrical work, plumbing, outdoor kitchen tie-ins, lighting, or major grading, the permit conversation changes.

Retaining walls are a separate category. Many municipalities use height thresholds, surcharge conditions, slope conditions, or property-line impacts to decide when engineering or permits are needed. A small herb bed is one thing. A raised planting wall holding back soil beside a patio is construction.

Call utility locating services before digging posts, trenching irrigation, or installing lighting. Keep beds clear of cleanouts, meters, and access panels. Do not block drainage paths against the foundation. A herb garden should improve a yard, not create a wet basement or a maintenance headache.

When to DIY vs. When to Hire a Pro

DIY makes sense when the bed is small, level, and away from utilities. A homeowner with basic tools can usually assemble a simple 2-foot by 6-foot or 4-foot by 4-foot kit, fill it with bagged soil, and plant starter herbs in a weekend. Plan on several hours for layout, assembly, soil hauling, planting, and cleanup. Soil handling is the hard part: a 4-foot by 4-foot bed at 18 inches deep needs 24 cubic feet of soil.

Hire a pro when the garden is part of a larger patio, outdoor kitchen, drainage correction, retaining wall, irrigation system, or front-yard design. Professional help is also worth considering when access is poor, the yard is sloped, the bed needs masonry, or you want a finished installation that matches existing hardscape.

General landscaping projects in 2026 commonly average around $1,400 to $1,660 nationally, with labor often around $50 to $65 per hour. Those numbers are broad, but they help set expectations. A simple herb bed is a small project. A built-in raised planter with stone veneer, drip irrigation, lighting, and patio integration is a landscape construction project.

Three Practical Layouts We Recommend

4×4 Mediterranean Bed

Use one rosemary, one lavender, one sage, two thyme plants, one oregano, one marjoram, and one savory. Put rosemary and lavender on the north side. Keep thyme near the front. Use drip line or careful hand watering, and avoid over-rich soil.

2×6 Kitchen-Herb Bed Near a Patio

Use two basil plants, one parsley, one chives, one tarragon, two cilantro rounds, one dill, and one chervil in cool weather. Place dill at the back. Keep the bed close to the kitchen door or grill. This layout is productive because it gets used.

Container Cluster for Aggressive or Specialty Herbs

Use separate 12-inch to 16-inch pots for mint, lemon balm, and any tender herbs you may move or replace seasonally. Group the containers near the main bed for a unified look. This keeps aggressive roots out of the raised bed and makes watering easier to control.

Bottom Line

The best aromatic herb garden is not a random collection of favorite plants. It is a set of matched growing zones. Put rosemary, thyme, oregano, sage, lavender, marjoram, and savory together in a sunny, well-drained, lower-water bed. Put basil, parsley, cilantro, dill, chives, chervil, and tarragon together where the soil stays richer and more evenly moist. Keep mint contained.

Build the bed with the same discipline you would bring to any exterior project: correct dimensions, good drainage, enough soil volume, safe access, and awareness of local rules. Do that, and a small herb garden can become one of the most useful features in the yard.

Frequently Asked Questions

What herbs can be planted together in the same raised bed?

Rosemary, thyme, oregano, sage, lavender, marjoram, and savory grow well together in a dry, sunny raised bed with sharp drainage. Basil, parsley, cilantro, dill, chives, chervil, and tarragon are better grouped in a richer bed with more consistent moisture.

Can basil, rosemary, thyme, and parsley grow together?

They can survive together for a while, but it is not the best grouping. Rosemary and thyme prefer drier, leaner soil, while basil and parsley need steadier moisture and richer soil. Use separate containers or separate irrigation zones.

Should mint be planted with other herbs?

Mint should usually be kept in its own container because it spreads aggressively by roots and rhizomes. If you sink a mint pot into a bed, keep the rim above the soil and check regularly for escaping roots.

What soil is best for a raised herb garden?

A practical raised-bed mix is about 70 percent soil or bedding mix and 30 percent composted organic matter. For Mediterranean herbs like rosemary, lavender, sage, and thyme, prioritize drainage and avoid overly rich or constantly wet soil.

How much does it cost to build a raised herb garden in 2026?

A DIY wood raised herb bed commonly runs about $25 to $50 per square foot, so a 4×4 bed may land around $400 to $800 before premium upgrades. Professionally built wood beds can start around $100 per square foot, or roughly $1,600 for a 4×4 bed in many markets.

Do I need a permit for a raised herb garden?

Most small backyard herb beds do not need a permit, but check local rules if the bed is in a right-of-way, street terrace, easement, HOA-controlled area, or if the project includes retaining walls, grading, irrigation, lighting, plumbing, or electrical work.

Quick Recap

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