Explore LibraryStart free trial
← Plant Library

When to Plant Milk Thistle in Zone 10

In USDA zone 10a, plant outdoors February 13 to July 13, and expect your first harvest around July 13. (10a shown here — see 10a and 10b dates separately below.)

Milk Thistle planting calendar for USDA Zone 10a

Average last spring frost

January 30

Average first fall frost

December 30

🌿

Direct sow

Feb 13

🌾

Projected first harvest

Jul 13

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 10a (approximate)

Milk Thistle is ready to harvest in about 150 days, needing roughly 334 frost-free days in zone 10a.

Milk Thistle planting calendar for USDA Zone 10b

Average last spring frost

January 30

Average first fall frost

December 30

🌿

Direct sow

Feb 13

🌾

Projected first harvest

Jul 13

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 10b (approximate)

Milk Thistle is ready to harvest in about 150 days, needing roughly 334 frost-free days in zone 10b.

Not sure whether you're in 10a or 10b? Set your ZIP in HomeSown for dates tuned to your exact location.

Varieties to grow

1 variety of milk thistle in the HomeSown library. Tap any for its full grow guide.

Milk Thistle →

Common problems with milk thistle

What to watch for, with identification and treatment for each

Four-Lined Plant BugCommon Stalk BorerGroundhogsAntsAphidsArmywormsAnthracnoseDamping-OffFrost & Cold InjuryGray MoldHerbicide InjuryMosaic Virus

🌱 Grow milk thistle with a calendar built for your exact yard

HomeSown turns your ZIP code into a personalized planting calendar, watering reminders, and pest help. Free to start.

Start your free garden →

When to plant milk thistle in other zones

All zonesZone 3 →Zone 4 →Zone 5 →Zone 6 →Zone 7 →Zone 8 →Zone 9 →