Costmary

Tanacetum balsamita, Asteraceae

Zones

4–8

Layer

Herbaceous

Lifespan

Perennial

Growth

Moderate

Guild Roles

ProducerPest ConfuserPollinator AttractorDynamic Accumulator

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

Moderate (established)High (seedling)

Soil pH

6 – 7.5

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

SneezewortAchillea ptarmica

Pest DeterrentBeneficial Insect Habitat

Large ThymeThymus pulegioides

Pest DeterrentPollinator Sharing

Great Yellow GentianGentiana lutea

Pollinator SharingPest Deterrent

Field EryngoEryngium campestre

Pest DeterrentPollinator Sharing

Antagonistic Plants

Corn ChamomileAnthemis arvensis

Tanacetum species are known to produce allelopathic compounds that can inhibit other Asteraceae

Uses

Functions

Culinary HerbMedicinal TeaInsect RepellentCompanion Planting

Edible Parts

LeavesFlowers

Medicinal Uses

Digestive AidMenstrual RegulationAntimicrobial

Common Questions

What zones does Costmary grow in?

Costmary grows in USDA hardiness zones 4 through 8.

What are good companion plants for Costmary?

Good companions for Costmary include Sneezewort, Large Thyme, Great Yellow Gentian, Field Eryngo.

Design guilds with Costmary and see companion relationships visually.

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