For aphids you can use safer soap or any dish detergent to wash them off with a good force of water.

For thrips you can use several attacks at once. Put coarse wood chips as a mulch and it makes it hard for the thrips to get though them, it will cut the numbers in half. Spray BT on the soil and the bacteria will eat the larve in the soil. Finally the predatory wasp Orius insidiosus when introduced at the proper time will eat the thrips in the flowers.

Thank you very much for the information.
You really know your stuff!!
I am trying the dish soap spray. I tried to get some lady bugs at our local nursery but they were sold out. I will look into BT spray also because I think they carry that.
Very helpful info!

I don't know of a form of Bt currently available that will control thrips. Perhaps Jackarias could be more specific about which Bt because there are different kinds of Bt that target different groups of insects. Young thrips (nymphs) don't live in the soil but may pupate there. Like the adults the nymphs feed on the plant. The youngsters look the same as the adults except they don't have wings and they can be different colors.

If you want to use dish soap but also be organic you'd need to check that the one you use is organic because I don't believe the average supermarket one would be considered so. Safer's would usually be "safer"! Don't be spraying soaps or detergents, especially those not made for plants, on plants when the weather is hot or they can cause damage.

Funnily enough I see more thrips in a daylily bed with wood chip mulch than any other!