What's the difference between German and Roman chamomile?

German chamomile (Matricaria chamomilla) is an upright annual that self-seeds prolifically and produces abundant small flowers, the type most commonly dried for tea. Roman chamomile (Chamaemelum nobile) is a low-growing, mat-forming perennial hardy to Zone 4–6, grown more often as a fragrant groundcover or even a mowable lawn substitute than for tea production, since it flowers less prolifically. Choosing the wrong one for your goal is the most common chamomile mistake.

When should I plant chamomile in Canada?

Direct sow German chamomile in early spring, a few weeks before your last frost date — it tolerates light frost and germinates in cool soil. It self-seeds afterward, so a well-established patch often needs no replanting in following years. Roman chamomile can be sown similarly or planted as small plug plants/divisions for faster groundcover establishment.

Can chamomile really be used as a lawn substitute?

Roman chamomile specifically, yes — its low, spreading, mat-forming habit and tolerance for occasional light foot traffic and mowing make it a genuine (if niche) lawn alternative, releasing a pleasant apple-like scent when walked on or mown. It's slower to establish than grass and less tolerant of heavy traffic, so it suits an accent area or path more than a full high-use lawn.

Why didn't my chamomile come back to bloom heavily as expected?

The most common cause is planting Roman chamomile expecting German chamomile's heavy tea-flower yield — Roman blooms noticeably less prolifically since it puts more energy into spreading groundcover growth than flowering. If abundant tea flowers is the goal, German chamomile (and letting it self-seed) is the more productive choice.

CANADA GROWING GUIDE

Growing Chamomile in Canada — German vs Roman

Q: Which chamomile should I grow for tea?

German chamomile is the better choice for a genuine tea harvest — it's an annual that flowers heavily and repeatedly through the season, giving far more usable dried flowers per plant than Roman chamomile's sparser bloom. It also self-seeds readily, so a patch tends to return on its own the following year without replanting.

Q: Is chamomile hardy in Canada?

It depends which one. German chamomile is an annual regardless of zone — it completes its life cycle in one season and relies on self-seeding to return, not winter survival. Roman chamomile is a genuine perennial, hardy to roughly Zone 4–6, and does survive winter outdoors as an established groundcover across much of southern and central Canada.

Two genuinely different plants share the name "chamomile" — one a self-seeding annual grown for tea, the other a hardy perennial groundcover. Picking the right one for your goal is the real decision.

"Chamomile" isn't one plant — German and Roman chamomile are different species with genuinely different growth habits, hardiness, and purpose in a Canadian garden.

Want abundant tea flowers? German chamomile is the annual that self-seeds readily and blooms heavily. Want a fragrant, low-growing groundcover or lawn alternative? Roman chamomile is the hardy perennial built for that job instead.

Growing chamomile in Canada: German chamomile = annual, self-seeds, heavy tea-flower yield — direct sow a few weeks before last frost. Roman chamomile = hardy perennial groundcover (Zone 4–6), fewer flowers, mowable lawn-substitute habit. Choose based on whether you want tea or groundcover.

When should you plant chamomile where you garden?

Get your city's frost dates, indoor seed-starting dates, and this week's planting jobs — three free tools.

📅 What to Plant Now ❄️ Frost Dates 🌱 Seed Starting

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German vs. Roman Chamomile

	German (Matricaria chamomilla)	Roman (Chamaemelum nobile)
Life cycle	Annual — self-seeds readily	Perennial — Zone 4–6 hardy
Growth habit	Upright, bushy	Low, mat-forming groundcover
Flower yield	Abundant — best for tea	Sparser
Best use	Dried tea flowers	Groundcover / mowable lawn substitute

Growing Chamomile for Tea (German)

Harvest flowers when fully open

Pick flower heads when petals are fully opened and just starting to reflex downward — the ideal window for both flavour and quantity. Regular picking encourages more blooms.

Let it self-seed for next year

Leave a portion of flowers unpicked late in the season to set seed. A well-established patch of German chamomile often returns on its own the following spring.