You can “bonsai” a wax vine, for a compact house plant.
Wax vine (Hoya carnosa) makes a good house plant, tolerant of low light and neglectful watering. However, its natural growth form is an extensive vine. If you’ve got room for that, it’s fine.
Here we have one in the bathroom. Notice that it’s also tolerant of being potbound. All that vine, growing out of a small flowerpot.
Of course it would have long since toppled off the shelf, except it’s guyed up by strings. The anchors are those stick-anywhere hooks.
The flowers are nice. We would be glad to have more of these plants, but no room for another big vine.
Wax vine is easy to propagate by cuttings. We started a cutting in another small pot.
A wax vine plant grows in spurts. It sits there a long time, gathering strength. Then one day, a vine shoots out. If you let it, it’ll grow six feet or more.
Instead, every time a shoot grew out one node, we pinched off the tip.
Most plants, If their leaves are not allowed to develop early on, those leaves die. However, wax vine has the ability to keep new leaves small, and then later enlarge them to full size, weeks, months or even years later.
In the picture below, these new leaves are the two small fingerlike structures above and below the pinched-off stem tip.
The part hanging down is the beginning of a flower cluster.
By stopping growth at the pinch, the plant’s strength “builds up” there. Usually, after a time, growth resumes by enlarging the leaves and making flowers. Below is a picture of the flower buds, further along.
Finally, they bloom. Don’t pinch off wax vine flower clusters as they fade. The down-curving stalk of the cluster will stay alive. Later, it will make a new flush of buds on the same spur, and bloom again.
By pinching this way, the whole plant stays most compact.