Vegetables You Should Be Planting In March Within Interior Alaska - Frosty Garden

Vegetables You Should Be Planting In March Within Interior Alaska

Our Interior Alaska Planting Schedule For March

The planting schedule generally identifies specific dates, but you should recognize that these are suggestions and not absolutes.

There will be very little difference in plants that you seed days apart from one another.  The general goal of the seed planting schedule is to get your plants roughly to the correct size for transplanting.  A few days, either direction, simply will not make a difference.

We generally like to schedule our planting for the weekends since we tend to have more time on these days.  At least in our case, we try to target the nearest weekend (before or after the date) that makes the most sense.

One last thing.  We generally update our seed schedule far more frequently than our individual site articles.  Our seed schedule is our most up-to-date and complete reference we have on this site.

Seeds You Should Plant Around March 9th

  • Shallots
  • Onions (Long day varieties only)
  • Asparagus (Perennial)
  • Foxglove
  • Vinca
  • Begonia Tubers
  • Geranium
  • Wax Begonia & Tubers

Seeds You Should Plant Around March 16th

  • Rhodochiton
  • Salvia

Seeds You Should Plant Around March 21st

  • Celery
  • Celeriac
  • Green Onion
  • Leeks
  • Mint
  • Shasta Daisy
  • Dusty Miller
  • Hollyhock
  • Lobelia
  • Portulaca
  • Ranunculus

Seeds You Should Plant Around March 28th

  • Artichoke / Cardoon
  • Chives
  • Eggplant
  • Viola
  • Althea Zebium
  • Gazania
  • Lupine
  • Nemesia
  • Pansy

Our March Planting Commentary

Our official garden kickoff is usually in early to mid-March.  This is when we start planting our seeds in our indoor garden.  This puts us about 12 weeks before our first frost in Interior Alaska.

In March, it can be really hard to believe it by looking outside, but summer is not all that far away!  The next 12 weeks go by super fast as the days get longer and longer.  It’s such an exciting time to be a northerner – we’ve grown tired of the winter and start to get excited about summer!

A seed tray full of growing seedling, mostly planted in March.

This is one of our 1020 seedling trays.  Many of these plants were planted in March!  Portulaca are one of our favorite flowers that we grow.

What To Do Before You Put Seeds In Dirt?

At this point in the process, we all ready have a game plan.  We have a fairly accurate idea of what we are going to plant and how much of it we need to plant.  Also, we have all ready planned out and purchased all our seeds we’ll use for the year.

We always stress that it’s important to have a plan.  It’s so easy to get carried away when you’re planting seeds.  It seems like you have an infinite amount of indoor growing space.  In your mind, you have acres of land that you can put all these plants in!  Room for this, room for that!  Why not start this early and get ahead?

Reality is eventually going to hit you like a two ton heavy thing.  Come April, you are going to be swimming in plants.  Then comes May and you will be running out of room with nowhere to put them.

Planting too much, too early will severely restrict your indoor growing space for things you also want to grow later!

All that said, before you put plants in dirt, you of course need dirt.  In very early March, we put in for any seedling mix and potting soil mixes that we need.  We are experienced gardeners, so we know we need about 10-12 cubic feet of potting soil and should replenish seedling mixes, if needed.

It’s also very important to follow your seed schedule for planting your seeds.  If you started things like cucumber or tomatoes this early, they will be unwieldy and humongous by the time it’s safe to put them outside.

Exercising caution and executing on a plan will help you at every step of this process.  It will save you a lot of stress and impulsive buying just to take care of your plant babies.

Preparing Your Indoor Grow Space For The Season

Before we get started, typically in very early March, we prepare our indoor grow space to raise our plants.

This usually involves getting our indoor lighting set up and dragging out all of our germination and growing supplies from storage.

We do a double check on the timer for our lighting, aiming typically for about 16 hours of light per day.  You can set it up to run day or night, but we usually prefer night.  The main reason for this is to allow us to check on our plants when we get home from work.

If you want to save a little money, 14 hours of lighting per day is fully sufficient.  16 hours per day will give you a little more growth.

We like to clean and disinfect our growing tables and other growing equipment.  This just helps us avoid problems before they start.  You can use a light bleach solution (with a good rinse) or use a dedicated sanitizer, such as StarSan.

We also spend a little bit of time just making sure we have everything we need (seeds, equipment, etc.) so there aren’t any surprises over the coming months.

Getting Through March Is The Easy Part!

Fortunately for us, March is a relatively light month for planting seeds.  There is so much more to come.

April is by far our busiest planting month.  This is when the overwhelming majority of our fruits, vegetables and flowers are seeded.  We’ll be planting hundreds of seeds in April.  If you’re ready for a sneak peek at the next steps, check out our April growing guide!

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