Your Vegetable Sowing Schedule for March

This is your reminder to sow some seeds in March, before the popular sowing month begins next month in April.

If you are a bit overwhelmed with where to begin, then here is a March Sowing Plan just for you. There’s a Free Download in PDF format to keep on your phone.

Start sowing in March and you could be harvesting your first lettuce and Peas at the end of May.


Start Sowing in March

  • Carrots,
  • Peas,
  • Tomatoes,
  • Potatoes,
  • Spinach,
  • Lettuce,
  • Beetroot,
  • Chard.

Leaves

Get Sowing your Lettuce, Chard and Spinach seeds this month to make the most of all of the growing year.

Early sowings of leaves will reward you in May with early lettuce and spinach and chard on the way.

Depending on how much Lettuce you think you’ll need and how much you like it, you can sow every 2 weeks to keep your lettuce patch topped up.

What’s too much Lettuce?

Two years ago I over did sowing the lettuce and sowed it all in one go. I then planted it all outside in one go.

This is what I ended up with, Lettuce everywhere!! 7 Romaine Lettuce and a 1 metre row of loose leaf lettuce. For 3 people, this is a lot of lettuce, even if you ate it everyday, 3 people wouldn’t get through all of this Lettuce.

The poor old lettuce didn’t stand a chance and four plants bolted, just because I couldn’t eat it quick enough before the weather warmed up.

Moral of the Story

  • Don’t sow too much lettuce at the same time.
  • Only Sow as much as you will need.
  • Sow some now and some again in 1-2 months time.

Top Tips – Lettuce

  • Lettuce doesn’t germinate well in hot temperatures.
  • Lettuce is the only vegetable that needs light to germinate seeds. When sowing lettuce seed, only cover with a sprinkling of compost or use vermiculite to cover seeds.

Tomatoes

Check your frost date first here: Plantmaps

Find your frost date on the diagram below and what date you can start sowing from.

When to sow warm loving plants

You’ll need 6 weeks from Seed sowing to planting outside for tomatoes. Outside will need to have night temperatures well above zero. Tomatoes do not like frost as it kills the plants, so it’s important not to sow seeds too early.

Growing Too Many Tomatoes!

It is very tempting to grow too many tomatoes. The tomato variety list runs into thousands and it’s sometimes hard not to just pick one variety.

A few years ago, I grew too many tomatoes. Not just any tomatoes, but the large Italian beefsteak type of tomatoes.

I will never forget that year, because we tried to save all the tomatoes, which were again ready to harvest, all at the same time.

My husband and I, squeezed out all the tomato flesh, cooked it and froze it as tomato sauce. I used soup bags to keep it in the freezer. It took a long time to use up all of that tomato sauce! This harvest was from only 3 plants and again too much for 3 people.

Moral of the Story – Tomatoes


March Veg Sowing Challenge

Here is your March Sowing Schedule:

  • Week 1 – 8-9 March – Peas & Carrots,
  • Week 2 – 15-16 March – Potatoes & Tomatoes,
  • Week 3 – 22-23 March – Beetroot & Spinach,
  • Week 4 – 29-30 March – Lettuce & Chard.

March

What’s Growing in March? What harvests are in March? Any Jobs to do in March? Find it all in one place in the Seed Sowing HQ – Sow, Grow, Harvest in March.



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About Me

Hi, I’m Tracey — vegetable grower, passionate learner, and firm believer that anyone can grow their own food. While I work as an account manager during the day, my spare time has been dedicated to growing vegetables in my back garden for the last 23 years.

What started as a hobby grew into a passion, and now I’m building a place where others can learn too. This is your veg-growing hub for practical advice, seasonal inspiration, beginner-friendly learning, and real gardening experiences from someone who’s grown through every success and setback.

Real gardening, real learning, real harvests.

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