Start with research before asking it to write. Check the SERPs for the topic, figure out what question the reader needs answered, and gather reliable sources. Use competing articles to understand expectations, then look for what's missing.
“Write about indoor herb gardens” will probably give you something generic. “Help someone choose herbs for a north-facing kitchen, explain the light limitations and give a realistic starter setup” gives it a proper job.
Build the outline around that, then draft. Afterwards, check the facts, cut repeated points and add examples that make the advice usable.