🥬 When to Plant Mustard Greens

When should I plant mustard greens?

Plant mustard greens outdoors 6 weeks before last frost. Transplants can go out 4 weeks before last frost.

Is mustard greens frost sensitive?

Mustard Greens can tolerate light frost, surviving temperatures as low as 25°F. This makes it a great candidate for early spring or fall planting when other crops can't go out yet.

What temperature does mustard greens need?

Mustard Greens grows best between 40°F and 65°F. It can survive down to 25°F, but growth slows significantly below 40°F. It prefers cool weather and may bolt or stop producing if summer heat arrives early.

How long does mustard greens take to grow?

Mustard Greens typically takes 25–45 days from transplant (or direct sow) to first harvest.

Is it too cold to plant mustard greens?

It is too cold to plant Mustard Greens outdoors when nighttime temperatures are falling below 25°F. While Mustard Greens can tolerate temperatures as low as 25°F, growth will be slow until nights consistently exceed 40°F. Use CanIPlant to check your local 7-day forecast and get a real-time answer for your ZIP code.

Is it too hot to plant mustard greens?

Mustard Greens starts to struggle when temperatures climb above 65°F. As a cool-season crop, Mustard Greens is especially heat-sensitive — high temperatures cause bolting, bitter flavor, or complete crop failure. Avoid planting in the peak of summer and opt for spring or fall instead. CanIPlant checks your local forecast highs to flag this automatically.

Any tips for growing mustard greens?

Fast-growing cool-season green. Bolts in heat.