Help-First attempt at planting perennial garden

Tyngsboro, MA

Hello, I'm just starting to landscape a pool area and I thought I would use some colorful perennial ground cover that didn't require much work and would spread fairly quickly. Using my limited knowledge I have purchased StoneCrop Sedum Anderson and Evening Primrose. I was thinking of planting the Primrose for the majority of the garden bed and adding 2 StoneCrops in the middle. Will these two plants work well together? I'm concerned about what I have read of the Evening Primrose becoming invasive. Some information on the garden bed if it helps....it's about 2 feet by 20 and it's poor soil, very rocky. We are in zone 6. The area gets mostly sun and a little shade towards the end of the day. It is the top of a retaining wall so I thought the Stonecrop would be nice to spill over the wall eventually. I don't want anything higher than 6-10 inches so I can see over the wall to the pool area. Any help or suggestions would be appreciated!

central, NJ(Zone 6b)

Both are good for full sun, my evening primrose is far from invasive. You may want to add some compost unless you actually want to make a rock garden. You can do crown vetch or creeping phlox.

Dublin, CA(Zone 9a)

Some evening primroses are invasive and others are well behaved, so you know the name of the species that you were planning to get?

Tyngsboro, MA

Thank you for your responses! I don't want a rock garden so I will add some compost. The name of the evening primose I already purchased is oenothera berlandieri "siskiyou" I have not planted it yet. I was concerned about the invasive warnings I read after purchasing it.

Dublin, CA(Zone 9a)

You might be careful with that one--the pink ones are very invasive out here but I'm not sure whether that's true anywhere in the country or if it's just certain climates that they like.

The two negatives on it from Plant Files are from someone near me and someone in Virginia, both climates with warmer winters than yours, sometimes if you're near the lower end of a plant's hardiness range that will make it better behaved but sometimes it won't, best thing to do is see if you can find someone around here from your area who's grown it (or friends/neighbors)

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