plant

Tansy

Tanacetum vulgare

Updated 4 Aug 2026 · AI-parsed entry

Tansy (Tanacetum vulgare) — a plant, for Full sun, Medium water. Companions: Corn Maize, Cucumber.

What it needs & gives back

↓ Needs

Lightfull sun to partial shade
Watermedium

↑ Gives back

Mulch_biomassmedium to high
Pollinator_servicesattracts various pollinators

Companions

Through the year

Through the year

JFMAMJJASOND
emergenceEmergence typically occurs after the last spring frost when soil temperatures consistently rise above 5°C.
floweringFlowering begins in mid-summer, usually July, and continues for several weeks, triggered by lengthening days.
senescenceFoliage begins to die back with the first autumn frosts.

Soil interactions

Drainagewell-drained
Nitrogen fixingNo
MycorrhizalNo
Accumulatespotassium, calcium
Soil textureloam, sandy_loam
Organic matterMedium
Compaction toleranceMedium

Propagation

Methodsseed, division
Difficulty2 / 5
Establishes in~1 yr
Stratificationcold_moist
Self-seedingModerate
Divisionspring

Wildlife & pests

Attractspollinators, beneficial_insects
Repelsants, flies, Colorado_potato_beetle, Japanese_beetle, squash_bugs, cucumber_beetles, cabbage_worms, slugs