How to Grow Epazotes USA | Planting & Establishment

Soil & Growing Conditions

Water: drought-tolerant once established; keep moist during germination (Gardener's Path)

Soil pH range

5.2 8.3

Span reflects genuine variation between the cited authorities, not a single agreed figure.

Growth Stages

Stage	BBCH	Notes
Sowing	0	Soak seeds 24 hours, then sow indoors in early spring or direct outdoors at 70F soil temperature, lightly pressed in with only a scant cover; germinates in 7-14 days (Gardener's Path).
Thinning	1	Thin seedlings to 6in apart; succession sow every 2-3 weeks for continuous supply (Gardener's Path).
Leaf growth	3	Grows quickly to 4ft tall by 18in wide; drought-tolerant once established, needing minimal care (Gardener's Path).
Harvest	8	First harvest at 55 days; cut or tear young leaves from the centre stem (Gardener's Path).

Quick Facts

Factor	Value
Soil pH	5.2 - 8.3
Sunlight	6-6 hours direct sun
Soil texture	loose, organically rich, average to sandy soil (Gardener's Path)
Drainage	well-drained
Lifecycle	perennial in warm climates, grown as an annual elsewhere
Edible parts	leaves, stalks

At a Glance

Harvest & Storage

When to pick: Harvest by cutting or tearing young leaves from the centre stem, beginning at 55 days after sowing; young leaves have a milder, richer flavour than older ones. Refrigerate wrapped in a damp paper towel for up to 3 weeks, or store upright in water; can also be air-dried hanging upside down for 7-10 days and kept in an airtight container (Gardener's Path). CRITICAL: use only in small quantities -- contains the toxin ascaridole.

Diseases

Lettuce mosaic virus

moderate

Gardener's Path names this directly: the plant acts as a host reservoir with no treatment available.

Tomato spotted wilt

moderate

Tomato spotted wilt virus (TSWV)

Gardener's Path names this directly: the plant acts as a host reservoir with no treatment available.

Pests

Thrips

moderate

Thysanoptera

Gardener's Path names this directly: thrips, treatable with insecticidal soap.

Epazote, Handle With Care

A kerosene-scented Mexican herb

Epazote (Dysphania ambrosioides), also called Mexican tea, grows to about 4ft tall with long, serrated leaves emitting a fairly strong, kerosene-like odour.

Thrives in lean, well-draining soil

Full sun on loose, organically rich to sandy, well-draining soil -- extra fertiliser actually produces less flavourful leaves.

Use only in small quantities

CRITICAL: epazote contains the toxin ascaridole -- overconsumption can cause serious harm. Use sparingly, and avoid entirely for young children and pregnant women.

First harvest at 55 days

Matures to its first harvest in 55 days -- young leaves, cut or torn from the centre stem, have a milder, richer flavour than older ones.

Seeds need light to germinate

Seeds are soaked 24 hours then sown with only a scant cover of soil, since they need light to germinate -- taking 7-14 days, faster with bottom heat.

References

1. Gardener's Path -- Tier 2, used as the primary source as the RHS species page is a stub with no growing detail, explicitly disclosed - How to Plant and Grow Epazote (Wormseed)

   A culinary herb native to Mexico, Central and South America, growing to about 4ft tall with long, serrated leaves emitting a fairly strong, kerosene-like odour; small, pale yellow-greenish flowers. Also called Jesuit's tea, Mexican tea, wormseed. USDA zones 8-12 as a perennial, 4-12 grown as an annual (frost-tender). Full sun. Soil: loose, organically rich, average, sandy, well-draining; pH 5.2-8.3; extra fertiliser produces less flavourful leaves. Sow indoors in early spring or direct outdoors at 70F soil temperature, seeds soaked 24 hours then lightly pressed in with scant cover; germinates in 7-14 days, faster with bottom heat; thin to 6in apart; succession sow every 2-3 weeks. Reaches 4ft tall by 18in wide, maturing to first harvest in 55 days. Harvest by cutting or tearing young leaves from the centre stem -- young leaves are milder yet richer in flavour than older ones. Pests: thrips, treatable with insecticidal soap. Diseases: lettuce mosaic virus, tomato spotted wilt virus -- the plant acts as a host reservoir for these viruses with no treatment available; severe infections require plant removal. CRITICAL WARNING: contains ascaridole, a toxin -- overconsumption may cause deafness, vertigo, paralysis, incontinence, jaundice, sweating, and even death; use only in small quantities, and avoid entirely for young children and pregnant women.

1 independent sources are cited for this crop. Where they disagree - soil pH is the clearest case - every figure is preserved rather than averaged into false precision.