When to plant out sweet peas — if you sowed the seeds indoors this year, it's almost time to move them outside

Closeup of white sweet peas flowering on wooden trellis in garden.

We love sweet peas - doesn’t everyone? They’re beautiful, they smell great, and they’re easy to grow. If you’ve already sown them indoors, you’re probably wondering when to plant out sweet peas.

Knowing when to sow sweet peas indoors is one thing, but it won’t be long before you’ll need to start thinking about the best time to plant your seedlings outside. In fact, the transplanting stage is one of the most important steps in growing sweet peas from seed.