Gardenias

Gardenias

I'm considering purchasing some gardenias that are on sale and plan to place them in my narrow side yard. This location gets little direct sun and the soil is rich, but clay intensive. Any recommendations on how to prep the soil and do you think that gardenias would florish in this location? I am zone 9/10 in California. Thanks.
Plant id

Plant id

plant id

plant id

Final salute to this year’s shade garden.

Final salute to this year’s shade garden.

Another use for ground cover?

Another use for ground cover?

Flowers at last!

Flowers at last!

Come inside, come inside

Come inside, come inside