This desrt rose in my picture froze after 7 yrs.I live outside of phoenix az It survived mostly shaded watered only when dry.Used a cactus mix...
Constantgardener is correct.
Here's another one. Leucophyllum...
You can use a year round fruit tree oil which just smothers bugs verses pesticides which are ingested.
The 2nd one is definately elaphant bush.
Hard to tell by the pic ,kinda looks like some pine seedling.
Lowe's carries a simple soil testing kit in there outside garden area.But most city agricultural dept's will test for a fee.
here are some pics of my desert rose(adenium obesum).I used a cactus mix and watered when dry on a regular schedule.I live in desert climate so it...
The 2nd one on the left looks like a mexican fence post cactus.
The top cactus looks like a cactus I had called a golden star.You might try Altman they grow cactus for sale in the stores.Go easy on the water as...