Full sun/part shade (depending on variety). Rich, heavy soil.
Sow the seeds in a clump or 2-3 in a sunny spot in the veggie garden.
Once seedlings emerge, thin out.
Choose a pot at least 30cm wide and deep, in a sunny or part shade spot.
Fill with quality potting mix.
Follow seed-> seedling -> harvest guide.
Harvest by snipping or pulling leaves at soil level, this will encourage leafier growth.
Wait for spinach to 'bolt' (go to seed after flowering), seeding takes about 50-60 days for the varieties I’ve been growing (American, Winter Giant, and Purple Passion).
Once you see the seed forming, just let that plant keep growing.
Eventually, the spinach will die and start to dry out and fall over–and this is when you collect it up.
I usually harvest it and hang it upside down for another week or two just to be sure.
Once you have let your stalks dry, you can either carefully pull the seeds from the stalks and heads, or you can just put the whole stalk/head in a bag and store it that way.
Zone 1 - Cool
February , March , April , May , June , July , August
Zone 2 - Temperate
February , March , April , May , June
Zone 3 - Subtropical
April , May , June , July