Chamomile is a small, cheerful daisy with an outsized reputation: its dried flowers make the classic calming tea, and its apple-scented blooms attract bees all season. It is a gentle, easy herb — but like most daisy-family annuals, it is a cool-season plant in Zone 11, and it will bolt and fade the moment tropical heat arrives.
Like every crop in the tropics, chamomile rewards gardeners who work with Zone 11's seasons — the cooler, drier months and the hot, wet months — rather than against them. The planting calendar hub gives the Zone 11 picture month by month, and our guide to when to plant chamomile in Zone 9 shows how the timing shifts in a cooler zone.
Zone 11 at a glance
USDA Zone 11 covers the warmest, most tropical parts of the United States — Hawaii, southern Florida, Puerto Rico and the warmest coastal pockets. Winters are warm, with average winter lows of 40 to 50°F, and the growing season never really ends.
Zone 11 is frost-free year-round: there is no average last spring frost and no average first autumn frost. That means you plant by heat and by the wet and dry seasons, not by frost dates. These are USDA zone averages, not exact figures for any one garden — always check your local extension service and the forecast before planting.
| Detail | Zone 11 guidance |
|---|---|
| Average winter low | 40 to 50°F |
| Average last spring frost | Frost-free (no frost dates) |
| Average first autumn frost | Frost-free (no frost dates) |
| Days to germination | 7–14 days |
| Days to maturity | 60–90 days |
| Sowing | both |
| Sun | full sun |
| Soil pH | 5.5–7.0 |
| Spacing | 6–12 inches |
| Water needs | moderate |
| Cold tolerance | hardy |
When to plant chamomile in Zone 11
Sow chamomile in Zone 11 in the coolest months, roughly November through February, when it can flower before the heat. Chamomile is a cool-season annual that bolts fast in warm weather, so treat it as a winter herb here. Sow a small batch every few weeks through the cool season for a steady supply of flowers. Seeds germinate in 7–14 days and plants mature in 60–90 days. Zone 11 is frost-free, so there is no last frost date to count back from — sow by the cool season, and check your local extension service for the best local window.
Starting chamomile in Zone 11
Start chamomile seed indoors in trays or direct-sow into prepared beds — both work. The seed is tiny and needs light to germinate, so scatter it on the surface of fine, moist compost and press it down without covering it. Keep it moist for the 7–14 days to germination, and give seedlings strong light. Thin or transplant seedlings to 6–12 inches apart. Chamomile self-seeds readily, so let a few plants go to seed at the end of the cool season and volunteers often appear the following winter.
Soil, spacing, sun and water
Chamomile needs full sun and light, well-drained soil with a pH of 5.5–7.0. It tolerates poor soil — in fact, too much fertiliser gives you leafy plants with few flowers. In Zone 11, drainage matters more than fertility: work compost lightly into the top few inches and use a raised bed if your soil stays wet. Water needs are moderate — keep the soil evenly moist while plants are young, then water in dry spells, but never waterlog the bed. A spot with morning sun and light afternoon shade suits chamomile in the tropics.
Companion planting
Good companions for chamomile include tomatoes, peppers, marigolds and cabbage. Chamomile is a classic companion for cabbages and onions, and its flowers draw in hoverflies and bees that help the whole garden. Borage flowers on a similar schedule and shares a bed well — see our guide to when to plant borage in Zone 11. Keep chamomile away from mint, which will swamp it. The companion planting finder can suggest combinations for your whole bed.
Pests and problems
The common pests to watch for with chamomile are aphids, slugs and thrips. Aphids cluster on flower buds — wash them off with water. Slugs nibble young seedlings in wet weather, so water in the morning and keep the bed tidy. Thrips can scar flowers in hot, dry spells; a strong jet of water usually keeps them in check. Chamomile is otherwise a tough little plant, and most failures in Zone 11 come from sowing it in the heat, not from pests.
Harvest and storage
Harvest chamomile 60–90 days after sowing. Pick flowers when they are fully open, in the morning after the dew has dried, and keep picking — the more you pick, the more flowers the plant makes. Dry the flower heads in a single layer in a shady, airy place, then store them in a jar — the herb drying calculator helps you work out fresh-to-dried amounts. Use dried flowers for tea. Once heat arrives, plants bolt and fade, so harvest heavily before the flower stems shoot up and dry out.
Frequently asked questions
When should I plant chamomile in Zone 11?
Sow in the coolest months, roughly November through February. Chamomile bolts fast in tropical heat, so treat it as a winter herb. Seeds germinate in 7–14 days and plants mature in 60–90 days.
Why did my chamomile bolt so fast?
Heat. Chamomile is a cool-season annual, and warm Zone 11 days push it to flower and seed. Sow in the coolest months and give it light afternoon shade.
Can I grow chamomile in summer in Zone 11?
Not well. Summer heat and humidity make chamomile bolt and fade within weeks. Grow it in the cool season and save summer for heat-lovers like lemongrass.
How do I dry chamomile for tea?
Pick fully open flowers in the morning, dry them in a single layer in shade with good airflow, then store in an airtight jar out of sunlight.