What is the easiest plant to maintain outside during the summer?

kind of depends on where you live. Here in the Arizona heat, the best things seem to be cactus, succulents and "Mexican Bird of Paradise". Very hardy and low maintenance.

Hi I manage a rv park in Az and have a very steep hill that needed good ground cover so I put down Myoporum, it spreads and hugs the ground, has small white flowers, doesn't need much water and loves full sun. It takes a while to grow but when it does it's great. Will go over rocks and anything else in it's path. Sure hope this helps, good luck.

Cosmos are a very low maintenance plant & heat tolerant too. Zinnias are easy but do need watering, marigolds are hardy, herbs like oregano, basil are carefree....

Well I am in the UK so not an authority on your area. I would choose plants that benefit wildlife, and they tend to be easy manage as they are usually wild.

Buddelia is a beautiful easy to grow shrub/tree which will have hundreds of butterflies visit and bees and hoverflies. All you have to do is cut back hard in early Spring/late winter .

Definitely not plant hostas in full sun, they like damp cool areas.

Things like sedums will do well in dry full sun.

Herbs are another beneficial one for insects and humans alike. Very pretty flowers and of course the gorgeous scents when crushing leaves.

Oner thing that helps is to look at what others are growing and see how well they fair, and ask the neighbours.

Might be useful to check your soil ph levels if you want to plant anything out of the ordinary which require extremes of acid or alkaline.

Cone Flowers love the sun--they are heat/drought tolerant. All kinds of colors and the blooms last a long time, too.

Daisies, petunias, Stella d'oro day lilies, tiger lilies -all Iove the sun, produce all summer, and are easy to maintain. Petunias are annuals, though, so you have to buy them every year.

Iris is a very low maintenance plant, It grows to about 2 to 3 feet and does flower but only for short periods of time. They do not need to be planted deep and would help hide the area below the brick. I live in Florida and it does very well.

In the fall you can divide the hostas you already have. I am a big fan of beauty bush in purple. The purple berries really come to life in the fall and last a long time. It is not thick and does not grow very tall so looks lovely along the wall.

I am no gardener. I bought my home six years ago. There were 6 lily plant spaced out in an 8'x8' section to the right of my porch. 1 hosta on each side of the step to porch. To the left I have a rose of Sharon, a boxwood, a red twig dogwood, cypress, a juniper, a miniature lilac bush and a forsythia. Other than once a year trimming and shaping, I don't touch them. Nice colors and textures

Include some day lilies in the mix. They're great in full sun, the foliage is beautiful until they bloom and the flowers are abundant. I've included a two pictures of some mini ones I'm growing beside my dry creek bed (before and after they bloom).

South east Michigan homeowner here.... so we have harsh winters and pretty hot weeks in the summer, along with fluctuating temps in fall and spring. This is what I would do, based on my theory of low maintenance, deer resistant (except hostas) and tolerant of hot cement and snow build up in winter.

Day Lilly and lilly of the Nile are great low maintains They are nice and green and have very nice flowers. The double and they don't need much work to keep . Hope this helps

I'm in Iowa: cold winters and hot summers. I would include some perennials like coneflower, nepeta (catmint) and Russian sage, all for pretty pink and blue color nearly all summer long. Once established, they tolerate dry conditions.

Two favorites are Vinca Pacifica and Lantana for hot spaces. Both are drought tolerant. Vinca stays small and compact 12" high and 12" wide. Comes in red, pink, and white. Lantana will quickly spread 3 feet wide and 3 feet tall. It comes in many vibrant colors including orange, yellow, red and bright pink. Both flower from spring to fall.

Grass.