Gardening is a lot about trial and error - and there's always gonna be something catching you off (rain, pests, root rot etc).

When I knew nothing, I started off growing 1 easy thing like tomatoes and going from there. You dont even need seeds, just grab a bag of premixed soil (there'll be bags at ya local supply store that say tomato mix) then cut a thick slice of a tomato from ya fridge and chuck it in a small pot of soil (saw it in a tiktok video). Once sprouts start coming up (like a 2 or 3 weeks) pull the biggest ones out and chuck em in their own pot and let em grow. Water em like once a week or every few days depending on the weather and bob's ya uncle.

The cunts ended up growing through the bottom of the pot, through the turf and into the ground underneath, so they're strong bastards.

The confidence of growing ya first veg motitivates you to tackle more stuff and before you know it ya got a green thumb.