Portulaca plants

Question

My plant are not doing well. I live in Southern California. It has been extremely hot. I water 2 to 3 times a week. They get full sun 90 percent of the day? I don’t know a lot about these plants. Is their thinning out and not flowering at this time of year normal?
Attached are a few pictures.
Any insight would be appreciated.
Thank you.
Cheryl

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Answer 1

These are pretty drought tolerant, and don't like to remain wet for long. I would also add dolomitic lime around the area, as it looks like your pH may be a bit off in your soil. Here is an article on their care: https://www.gardeningknowhow.com/ornamental/flowers/portulaca/portulaca-plants.htm