Chamomile seeds need consistent moisture and cool spring temperatures to germinate successfully. Knowing exactly when to plant chamomile can make the difference between a lush, fragrant patch and a disappointing crop. This guide will walk you through the perfect timing for your region and growing method.
Chamomile is a forgiving herb, but it does have preferences. Get the timing right, and you will have a steady supply of calming tea and cheerful flowers.
Understanding Chamomile Growth Cycles
Before you mark your calendar, it helps to understand how chamomile grows. There are two main types: German chamomile and Roman chamomile. German chamomile is an annual, meaning it completes its life cycle in one season. Roman chamomile is a perennial, returning year after year.
Both types prefer cool weather for germination. They struggle in extreme heat. This is why timing is so critical.
German Chamomile: Annual Planting Window
German chamomile grows quickly from seed. It flowers in about 60 to 65 days. You can plant it in early spring or late summer for a fall harvest.
Roman Chamomile: Perennial Planting Window
Roman chamomile is slower to establish. It is best planted in spring after the last frost. It will spread as a low-growing ground cover.
When To Plant Chamomile By Season
Now let’s get specific about the calendar. The exact timing depends on your local climate. Here is a seasonal breakdown.
Spring Planting: The Most Common Option
Spring is the ideal time for most gardeners. Wait until the soil temperature reaches about 60°F (15°C). This usually happens two to four weeks before the last expected frost date.
You can start seeds indoors six to eight weeks before the last frost. This gives your plants a head start. Transplant them outside after the danger of frost has passed.
Fall Planting: For Mild Winters
If you live in a region with mild winters, you can plant chamomile in late summer or early fall. The plants will establish roots before winter. They will bloom earlier the following spring.
Plant seeds about eight to ten weeks before the first expected frost. This gives them enough time to grow strong.
Winter Sowing: A Cold-Weather Trick
Some gardeners use winter sowing for chamomile. You plant seeds in a covered container outdoors during winter. The seeds stratify naturally and germinate when temperatures warm up.
This method works well for German chamomile. It requires very little effort.
When To Plant Chamomile Indoors
Starting seeds indoors gives you more control. It also extends your growing season. Here is the step-by-step process.
- Fill seed trays with a light, well-draining seed-starting mix.
- Scatter the tiny seeds on the surface. Do not cover them deeply; chamomile needs light to germinate.
- Mist the soil gently to keep it moist.
- Place the tray in a warm spot with indirect light. A temperature around 70°F (21°C) is ideal.
- Seeds should sprout in 7 to 14 days.
- Once seedlings have two sets of true leaves, harden them off before transplanting.
Transplant outdoors after the last frost. Space plants about 8 to 12 inches apart.
When To Plant Chamomile Outdoors
Direct sowing is simpler and often more successful. Chamomile does not like root disturbance. Here is how to do it right.
- Choose a sunny location with well-draining soil.
- Prepare the bed by removing weeds and loosening the soil.
- Sow seeds on the surface in early spring, as soon as the soil can be worked.
- Press the seeds lightly into the soil. Do not bury them.
- Water gently with a fine spray to avoid washing seeds away.
- Keep the soil consistently moist until germination.
Thin seedlings to 8 inches apart once they are a few inches tall. You can eat the thinnings in salads.
Regional Planting Guides
Your local climate changes the best planting time. Here are guidelines for different regions.
Cool Climates (Zones 3-5)
In cold regions, wait until late spring. Soil warms up slowly. Start seeds indoors in March or April. Transplant in May or early June.
Fall planting is not recommended here. Winters are too harsh for young plants.
Temperate Climates (Zones 6-8)
These regions offer a wide planting window. You can sow seeds in early spring, around March or April. You can also plant in late summer for a fall crop.
Roman chamomile will overwinter well in these zones.
Warm Climates (Zones 9-11)
In hot areas, plant chamomile in fall or winter. Avoid summer planting because the heat will kill young seedlings. Aim for October through January.
Provide afternoon shade if temperatures exceed 85°F (29°C).
Soil Preparation Before Planting
Good soil prep improves germination rates. Chamomile prefers poor to average soil. Too much fertility leads to leggy growth and fewer flowers.
- Test your soil pH. Chamomile likes a pH between 5.6 and 7.5.
- Work in a little compost if your soil is very sandy or heavy clay.
- Ensure the soil drains well. Chamomile hates wet feet.
- Rake the surface smooth before sowing.
Avoid adding nitrogen-rich fertilizers. They encourage leaves over flowers.
Watering After Planting
Consistent moisture is key after planting. The seeds are tiny and dry out quickly. Water lightly every day or two until seedlings appear.
Once established, chamomile is drought-tolerant. Water deeply once a week during dry spells. Overwatering can cause root rot.
Use a watering can with a fine rose to avoid disturbing seeds.
Common Mistakes With Planting Time
Even experienced gardeners make errors. Here are the most common ones.
- Planting too early in cold, wet soil. Seeds will rot.
- Planting too late in hot weather. Seeds will not germinate.
- Burying seeds too deep. They need light to sprout.
- Overwatering after germination. This causes damping off.
- Ignoring your local frost dates. Always check your zone.
Avoid these pitfalls, and your chamomile will thrive.
Succession Planting For Continuous Blooms
If you want a steady harvest, try succession planting. Sow a new batch of seeds every two to three weeks. This works well in spring and early summer.
Stop planting about eight weeks before your first fall frost. This ensures the last batch has time to flower.
Succession planting gives you fresh flowers for tea all season long.
Harvesting Based On Planting Time
Your planting time determines when you harvest. German chamomile flowers about 60 to 65 days after sowing. Roman chamomile takes a bit longer, about 70 to 80 days.
Harvest flowers when the petals begin to curl back. The center should be slightly raised. Pick them in the morning after the dew dries.
Dry the flowers in a well-ventilated area out of direct sun. Store them in an airtight jar.
Frequently Asked Questions
Can I plant chamomile in summer?
It is not ideal. Summer heat stresses young plants. If you must, provide shade and extra water. Success is lower than spring or fall planting.
How late can I plant chamomile in fall?
Plant at least eight weeks before your first hard frost. This gives roots time to establish. In mild climates, you can plant into November.
Do I need to stratify chamomile seeds?
No, chamomile seeds do not require cold stratification. They germinate readily with warmth and moisture. Winter sowing naturally provides cold treatment but is not necessary.
Can I plant chamomile seeds directly in the ground?
Yes, direct sowing is recommended. Chamomile has delicate roots that do not transplant well. Sow seeds on the soil surface in spring or fall.
What happens if I plant chamomile too early?
Seeds may rot in cold, wet soil. Seedlings can be killed by a late frost. Always wait until soil temperatures reach 60°F (15°C).
Final Tips For Success
Timing is just one piece of the puzzle. Here are a few more pointers.
- Grow chamomile near brassicas or onions. It repels pests.
- Deadhead spent flowers to encourage more blooms.
- Let some flowers go to seed. Chamomile self-sows readily.
- Use a light mulch to retain moisture around young plants.
With the right planting time and a little care, you will have chamomile for tea, salves, and relaxation. Start planning your planting date today.
Remember, the key is patience. Wait for the right conditions. Your chamomile will reward you with delicate flowers and a calming scent.