Washington’s rainy climate actually benefits herbs that prefer consistent moisture, making it an ideal place to grow a thriving kitchen garden. If you are looking for the best herbs to grow in washington, you have come to the right place. The Pacific Northwest offers unique growing conditions that many herbs absolutely love. You can enjoy fresh flavors from your garden almost year-round with the right choices.
This guide will help you pick herbs that thrive in Washington’s wet springs and mild summers. We will cover everything from planting to harvesting. You will learn which herbs need full sun and which tolerate shade. Let’s get started on your herb garden journey.
Best Herbs To Grow In Washington
Choosing the right herbs for your Washington garden means understanding your local climate. The western side of the state gets plenty of rain, while eastern Washington is drier and sunnier. Most herbs prefer well-draining soil, but some handle the damp better than others. Below are the top performers for both regions.
Mint: The Reliable Perennial
Mint is almost impossible to kill in Washington. It loves moisture and spreads quickly. You can grow spearmint, peppermint, or chocolate mint with ease.
- Plant mint in a container to control its spread
- It thrives in partial shade
- Harvest leaves regularly for best flavor
- Mint comes back every year without replanting
Mint is perfect for teas, cocktails, and salads. It grows so well that you might need to share with neighbors. Just be careful not to let it take over your entire garden bed.
Chives: Easy And Productive
Chives are another top choice for Washington gardens. They tolerate rain and cold very well. You can plant them in spring and they will produce until late fall.
- Plant chive seeds or starts in well-drained soil
- Water regularly, especially during dry spells
- Cut leaves with scissors about two inches from the base
- Divide clumps every few years to keep them vigorous
Chives add a mild onion flavor to dishes. The purple flowers are edible too. They attract pollinators and look lovely in the garden.
Parsley: A Biennial Workhorse
Parsley does suprisingly well in Washington’s cool weather. It prefers consistent moisture and partial shade in hot summers. Both curly and flat-leaf varieties grow nicely here.
Plant parsley in rich soil and keep it watered. It will produce leaves for most of the year. In mild winters, it may even survive until spring. Parsley is packed with vitamins and adds freshness to meals.
Thyme: Drought-Tolerant And Hardy
Thyme is a low-growing herb that handles Washington’s wet winters better than most. It needs good drainage, so consider raised beds or containers. Once established, thyme is very low maintenance.
- Choose English thyme for culinary use
- Plant in full sun for best flavor
- Allow soil to dry between waterings
- Trim back after flowering to keep plants compact
Thyme is perfect for roasting meats and vegetables. It also works well as a ground cover in sunny spots. The small leaves release a wonderful aroma when brushed.
Oregano: Mediterranean Flavor
Oregano loves Washington’s mild summers but needs protection from too much rain. Plant it in a sunny spot with excellent drainage. Greek oregano is the most flavorful variety.
You can grow oregano in pots or in the ground. It spreads moderately and attracts bees. Harvest leaves just before the plant flowers for the strongest taste. Oregano dries well for winter use.
Rosemary: Tricky But Worth It
Rosemary can be challenging in western Washington due to wet winters. However, it grows beautifully in eastern Washington’s drier climate. Choose a cold-hardy variety like ‘Arp’ or ‘Hill Hardy’.
- Plant rosemary in a sheltered, south-facing spot
- Ensure soil drains very well
- Mulch around the base in winter for protection
- Bring potted rosemary indoors during heavy rain
Rosemary adds incredible flavor to roasted potatoes and meats. Its needle-like leaves are aromatic and beautiful. With care, it can become a small shrub in your garden.
Sage: Robust And Resilient
Sage is a tough herb that handles Washington’s climate well. It prefers full sun but tolerates some shade. Common sage is the best choice for cooking.
- Plant sage in spring after frost danger passes
- Water sparingly once established
- Prune regularly to prevent legginess
- Replace plants every three to four years
Sage pairs wonderfully with poultry and pork. The leaves can be used fresh or dried. It also makes a lovely ornamental plant with its gray-green foliage.
Lemon Balm: Easy And Fragrant
Lemon balm is a member of the mint family and grows just as easily. It loves moisture and partial shade. The leaves have a bright lemon scent that is refreshing.
This herb is great for teas and salads. It also repels mosquitos naturally. Lemon balm can spread aggressively, so plant it in a container or confined area. It returns reliably each year.
Cilantro: Quick And Seasonal
Cilantro is a cool-season herb that bolts quickly in heat. Washington’s mild spring and fall are perfect for it. Plant seeds every few weeks for a continuous harvest.
- Sow cilantro seeds directly in the garden
- Keep soil consistently moist
- Harvest leaves when plants are six inches tall
- Let some plants go to seed for coriander
Cilantro is essential for salsas and Asian dishes. It grows fast, so you can enjoy multiple harvests. Once it flowers, the leaves become bitter, so pick them early.
Dill: Self-Seeding Delight
Dill grows well in Washington’s cool weather. It prefers full sun but can handle light shade. This herb self-seeds readily, so you will have it year after year.
- Plant dill seeds directly in the garden
- Thin seedlings to six inches apart
- Water regularly to prevent bolting
- Harvest leaves before flowers open
Dill is perfect for pickles, fish, and salads. The yellow flowers attract beneficial insects. Let some plants go to seed for next year’s crop.
Tarragon: French Favorite
French tarragon is a perennial herb that does well in Washington. It needs well-drained soil and full sun. Avoid Russian tarragon, which has inferior flavor.
Tarragon is best started from cuttings or divisions. Seeds are often not true to type. It adds a subtle anise flavor to chicken and fish dishes. Protect plants from excessive winter wetness.
Basil: Summer Annual
Basil is a warm-weather herb that thrives in Washington’s summer. It needs plenty of sun and regular watering. Plant it after all frost danger has passed.
- Choose varieties like Genovese or Sweet basil
- Plant in rich, well-drained soil
- Pinch off flower buds to encourage leaf growth
- Harvest from the top down for bushy plants
Basil is the star of pesto and caprese salads. It grows quickly and produces abundantly. With protection, you can extend the harvest into early fall.
Planting Tips For Washington Gardens
Success with herbs in Washington comes down to a few key practices. The soil here is often clay-heavy and acidic. Amending it with compost improves drainage and fertility.
Soil Preparation
Most herbs prefer slightly alkaline soil with good drainage. Test your soil pH and adjust if needed. Add lime to raise pH for herbs like oregano and thyme.
- Mix in organic matter like compost or aged manure
- Create raised beds for better drainage
- Use containers for herbs that need dry conditions
- Mulch around plants to retain moisture and suppress weeds
Sunlight Requirements
Many herbs need at least six hours of direct sunlight daily. In western Washington, choose the sunniest spot available. Eastern Washington gardeners have more sun but need to watch for heat stress.
Some herbs like mint, chives, and lemon balm tolerate partial shade. Use these in areas that get morning sun and afternoon shade. Observe your garden throughout the day to find the best locations.
Watering Strategies
Washington’s rainfall varies greatly between east and west. Western gardeners may rarely need to water established herbs. Eastern gardeners should water deeply and less frequently.
- Water at the base of plants to avoid leaf diseases
- Use drip irrigation for consistent moisture
- Check soil moisture before watering
- Reduce watering in fall as growth slows
Seasonal Care Guide
Herbs in Washington need different care throughout the year. Understanding the seasons helps you maximize your harvest. Here is a simple guide for each season.
Spring Planting
Spring is the best time to plant most herbs. Wait until the soil warms up and frost danger passes. In western Washington, this is usually mid-April to May.
- Start seeds indoors for tender herbs like basil
- Direct sow hardy herbs like dill and cilantro
- Divide and transplant perennials like chives
- Add compost to beds before planting
Summer Maintenance
Summer is harvest season for most herbs. Regular picking encourages more growth. Watch for pests like aphids and slugs.
Water deeply during dry spells, especially for container plants. Mulch helps retain moisture and keep roots cool. Deadhead flowering herbs to prolong leaf production.
Fall Preparation
Fall is time to prepare herbs for winter. Cut back perennials after the first frost. Bring tender herbs like rosemary indoors if possible.
- Harvest and dry or freeze excess herbs
- Mulch perennial herbs for winter protection
- Plant garlic chives for late-season flavor
- Clean up fallen leaves to prevent disease
Winter Care
Winter in Washington can be wet and cold. Many perennial herbs go dormant and need little care. Protect plants from waterlogged soil.
- Move container herbs to a sheltered location
- Cover tender herbs with frost cloth if needed
- Reduce watering for dormant plants
- Plan next year’s garden layout
Harvesting And Preserving Herbs
Knowing when and how to harvest herbs makes a big difference. The best time is in the morning after dew dries. This is when essential oils are most concentrated.
Harvesting Tips
Always use clean, sharp scissors or pruners. Cut no more than one-third of the plant at a time. This ensures continued growth and health.
- Harvest leafy herbs before they flower
- Pick flowers like chive blossoms when fully open
- Cut stems for drying just above a leaf node
- Wash herbs gently and pat dry before use
Preservation Methods
You can enjoy Washington-grown herbs all year with proper preservation. Drying, freezing, and infusing are simple methods.
- Air dry herbs by hanging small bundles upside down
- Freeze herbs in ice cube trays with water or oil
- Make herb-infused vinegars or salts
- Store dried herbs in airtight containers away from light
Common Problems And Solutions
Even experienced gardeners face challenges with herbs. Washington’s climate can cause specific issues. Here are solutions to common problems.
Slugs And Snails
These pests love Washington’s damp conditions. They can destroy young herb plants overnight. Use beer traps or diatomaceous earth around plants.
- Hand pick slugs in the evening
- Encourage natural predators like frogs
- Avoid heavy mulching near tender herbs
- Use copper tape around containers
Powdery Mildew
This fungal disease appears as white powder on leaves. It thrives in humid conditions. Improve air circulation by spacing plants properly.
Water at the base of plants to keep foliage dry. Remove affected leaves promptly. Choose resistant varieties when available.
Root Rot
Overwatering or poor drainage causes root rot. Herbs like rosemary and lavender are especially susceptible. Ensure soil drains well and containers have holes.
- Allow soil to dry between waterings
- Use raised beds for heavy clay soil
- Remove affected plants to prevent spread
- Add perlite or sand to improve drainage
Frequently Asked Questions
What are the easiest herbs to grow in Washington for beginners?
Mint, chives, and parsley are the easiest herbs for beginners in Washington. They tolerate rain and require minimal care. These herbs grow quickly and provide abundant harvests.
Can I grow Mediterranean herbs like rosemary in western Washington?
Yes, but they need extra care. Plant them in well-drained soil and a sunny, sheltered spot. Consider growing them in containers that can be moved to cover during heavy rain.
When should I plant herbs in Washington state?
Spring is the best time, after the last frost date. For western Washington, this is typically mid-April to May. Eastern Washington gardeners may plant a few weeks later.
Do herbs need full sun in Washington?
Most herbs need at least six hours of direct sun daily. However, some like mint, chives, and lemon balm tolerate partial shade. Observe your garden’s light patterns to choose the best spots.
How do I protect my herbs from Washington’s heavy rain?
Use raised beds or containers for better drainage. Add organic matter to improve soil structure. Cover tender herbs with cloches or move pots to sheltered areas during extreme weather.
Growing herbs in Washington is rewarding and practical. The climate supports a wide variety of flavors and uses. Start with a few easy herbs and expand as you gain confidence. Your garden will provide fresh ingredients for cooking, teas, and natural remedies. Enjoy the process and the delicious results.