Hi Metro & Welcome to the Hoya Forum,

Since you have roots, you could start opening the bags gradually say for an hour a day for a few days, then 2-3 hrs. a day for a few more days & so on.

As long as it's done gradually, I don't know that it matters whether you've only got roots or roots & a few new leaves.

Let's give it a bit of time for others to share their thoughts.

Also, pls. be reminded we're going into a Holiday wknd, it may be slower than usual here.

Merry Christmas / Happy Hannukah.

I don't normally use the baggie method, but when I do, I air the cuttings out once every 2 days until they root. Once rooted, I leave the bag open for 3 hours a day for 2 days, then 6 for another two days. After that, I remove them from the bag and put them with the rest of the hoyas.

I repot when I can see roots from the top, bottom and all around the sides of the pot (I use clear pots). I have some very large, thriving hoyas that are still in 4 and 6 inch pots.

Thanks and happy holiday season.

So if I see aerial roots I can assume there are roots in the medium? How long should the aerial roots be?

@aurorawa, How much humidity do you have to forgo baggies? Do you root plants in the winter?

Most hoyas readily put out aerial roots after or at around the same time they put out terrestrial (ground) roots. High humidity encourages aerial roots to grow longer. This does not necessarily mean that ground roots will be present, but it is 100% okay to either do the tug test (gently tug the cutting...if there is resistance, you have roots) or gently remove the media from around the cuttings to check for roots. If none are present, you may continue to use the baggie method (check root stem for rot first, as a cutting could be 100% fine above the potting media, especially if it has aerial roots to provide it nourishment).

Some cuttings readily put out aerial roots but are slow to actually root terrestrially.

My humidity averages around 55-80% (depending on whether I am doing laundry or not...plant room is adjacent to laundry room) here in the PNW.

Believe it or not, most hoyas (not all...some are finicky) can thrive in normal house humidity. Others prefer a bit higher humidity and benefit from mistings twice a day. Some require high humidity and should be grown in grow tents.

I do root in winter, albeit the process can be painstakingly slow. A heat mat under my pots helps a bunch.