Thymus Vulgaris 'Argenteus

Family: Lamiaceae Herb

Planting Schedule

Provide your location or planting zone to unlock dates and add Thymus Vulgaris 'Argenteus to a garden.

Aromatic as a sunlit hillside, Thymus vulgaris ‘Argenteus’ unfurls with silvery, softly downy foliage that glows against deep green stems.

The leaves carry a bright, thyme-forward flavor with a gentle, resinous lift—ideal for seasoning blends and herb-forward infusions. Grow it as a perennial that rewards close attention: snip sprigs for fresh fragrance, or let it dry for long-lasting culinary perfume.

Light: Full SunMaturity: 60 DaysHabit: Upright

Botanical illustration of Thymus Vulgaris 'Argenteus

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Thymus Vulgaris 'Argenteus Planting Dates by USDA Zone

Estimated US hardiness-zone windows for sow, transplant, and harvest. Enter a US ZIP above for exact local dates, or open a zone below.

Zone	Start Indoors	Sow / Transplant	Harvest
Zone 1a	May 25th	Jul 27th	Sep 25th – Jul 15th
Zone 1b	May 11th	Jul 13th	Sep 11th – Aug 1st
Zone 2a	May 4th	Jul 6th	Sep 4th – Aug 29th
Zone 2b	Apr 24th	Jun 26th	Aug 25th – Aug 25th
Zone 3a	Apr 24th	Jun 26th	Aug 25th – Sep 1st
Zone 3b	Apr 28th	Jun 30th	Aug 29th – Sep 21st
Zone 4a	Apr 24th	Jun 26th	Aug 25th – Sep 24th
Zone 4b	Apr 22nd	Jun 24th	Aug 23rd – Sep 27th
Zone 5a	Apr 17th	Jun 19th	Aug 18th – Sep 30th
Zone 5b	Apr 13th	Jun 15th	Aug 14th – Oct 5th
Zone 6a	Apr 10th	Jun 12th	Aug 11th – Oct 10th
Zone 6b	Apr 4th	Jun 6th	Aug 5th – Oct 16th
Zone 7a	Mar 30th	Jun 1st	Jul 31st – Oct 20th
Zone 7b	Mar 20th	May 22nd	Jul 21st – Oct 28th
Zone 8a	Mar 11th	May 13th	Jul 12th – Nov 5th
Zone 8b	Mar 2nd	May 4th	Jul 3rd – Nov 12th
Zone 9a	Feb 13th	Apr 17th	Jun 16th – Nov 26th
Zone 9b	Jan 19th	Mar 23rd	May 22nd – Dec 9th
Zone 10a	—	Oct 1st	Nov 30th – Feb 28th
Zone 10b	—	Oct 1st	Nov 30th – Feb 28th
Zone 11a	—	Oct 1st	Nov 30th – Feb 28th
Zone 11b	—	Oct 1st	Nov 30th – Feb 28th
Zone 12a	—	Oct 1st	Nov 30th – Feb 28th
Zone 12b	—	Oct 1st	Nov 30th – Feb 28th
Zone 13a	—	Oct 1st	Nov 30th – Feb 28th
Zone 13b	—	Oct 1st	Nov 30th – Feb 28th

Crop Details

Trait	Value
Days to Maturity	60
Sun Requirements	Full Sun
Growth Habit	Upright
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	70
Min Soil Temp (°F)	60
Min Night Temp (°F)	50
Harden Off (days)	7

Culinary Notes

Chef's Note

Thyme ‘Argenteus’ tastes like thyme turned up with a clean, resinous whistle—its oils really pop once warmed, so use it early in the simmer or in hot pan sauce. The silvery, downy leaves also dry beautifully, holding that perfumed character long after fresh sprigs are gone.

Best Uses

pinch into slow-simmered stocks and broths where it blooms over time
rub for roast chicken or lamb—dry, aromatic, and not sticky like some herbs
stir into beurre blanc–style pan sauces and let the heat wake the oils
infuse into vinegar or olive oil for herbaceous, slightly piney tang

Flavor Profile

bright thyme-forward savoriness gentle resinous lift silvery leaves with a softly minty herbal edge fragrant when warmed or dried

Kitchen Pairings

garlic lemon olive oil butter white wine chicken

Frequently Asked Questions

What pest or disease commonly affects Thymus vulgaris (Provence-type thyme), and how can I treat it?

The most common issue is fungal leaf spot/botrytis during cool, humid weather, often showing as dark spots or grayish growth on damp foliage. Remove affected sprigs, improve airflow, and avoid overhead watering; water at the soil line in the morning. If problems persist, use an appropriate fungicide labeled for edible herbs and follow label directions (especially keeping thyme harvest intervals in mind).

How often should I water Thymus vulgaris during active growth?

During the main growing phase, water only when the top 1–2 inches of soil feel dry; thyme prefers evenly moist only until established, then consistently on the dry side. Aim for deep, infrequent watering so excess water drains quickly, because Lamiaceae herbs like thyme are prone to root rot in soggy soil. If your soil stays wet or heavy, cut watering back further rather than trying to “hold” moisture with frequent sips.

How do I tell when Thymus vulgaris is ready to harvest?

Harvest once plants are well established and actively growing, typically around 60 days from sowing; you should be able to cut healthy stems with plenty of leaf mass. Take sprigs just before flowering for the best flavor, and avoid cutting into old, woody bare stems—leave at least a third of the growth so thyme can regrow. For ongoing use, snip small amounts regularly; the plant is ready for repeated harvests after it reaches a sturdy, bushy size.