How should you prepair your outside plants to bring inside. .

Re-pot the christmas cacti in cacti soil in the next size container,re-pot the spider plants in regular potting soil in the next size container and spray the leaves down with horticultural oil,place indoors in the correct lighting

Just bring them in. The worst thing would be to have them freeze or get frost on them.

Clean windows in your home to provide the most light. Re-pot any plants that need to be. Bring the plants in before the night-time temperature dips below 45 degrees.

Be prepared for some unwanted passengers by soaking the plants in lukewarm water for about 15 minutes. The insects will take a swim.

It's best to match lighting conditions to lighting conditions; that is, bright light outdoors to bright light indoors, but if that's not possible, the lower light levels may cause the plants to drop some leaves. They'll look better and grow new leaves once they've made the adjustment.

Once inside, don't overwater. Let the plants dry out before watering. And avoid watering them on rainy, overcast days since they aren't going to get enough sunlight to dry out.

Give them a boost of fertilizer according to the directions on the container and enjoy!

my mother always water her plants that she was bringing in for the winter with soapy water until it drained from the bottom

I usually look them over to be sure there are no bugs and then spray them with a Neem based spray ( its to kill on contact any bugs), wait a couple hours then bring inside.

@Roseaneg, that sounds like a plan to me. @Marianne, be sure your spaces inside have room to drain in case you do overwater. And do you have a dark place to put the Christmas cacti in November so they will bloom in the winter. Best wishes 😇💞

Before bringing my indoor plants back inside for the fall and winter, I spray them with a product by "safers", it is an insecticidal soap. It is environmentally friendly. Most hardware and large box stores have it.