Tender tradescantia roots from a stem cutting with a node. Take 4 to 6 inches, strip the lower leaves, and root the stem in water or moist potting mix. Pot up once roots show. Hardy spiderwort clumps are a divide — that lives on Planting Tradescantia.
A stem cutting with a node
| Factor | Recommended | Avoid |
|---|---|---|
| Length | 4–6 inches with two or three nodes | A leaf with no stem |
| Where to cut | Just below a node | A piece with no node in the water or mix |
| Habit | Tender trailers | Hardy border clumps as the default cutting |
NC State Extension Plant Toolbox lists stem cutting as the recommended way to multiply inch plant. Stems root at the nodes. [1] A leaf alone will not make a new plant.
Wisconsin Horticulture treats cuttings as easy in water or moist potting mix. Rooting hormone is not needed. [2]
Can you propagate tradescantia from cuttings?
Yes. Tender stems root at a node in water or moist mix. Hardy clumps are a divide, not this method.
How long should the cutting be?
About 4 to 6 inches, with two or three nodes. Cut just below a node.
Do I need a node?
Yes. Roots form at the node. A leaf with no stem will not root.
How to take a cutting
- Choose a firm, leafy tender stem, not a hardy border clump.
- Cut 4–6 inches, just below a node.
- Strip leaves from the bottom one or two nodes so none sit in water or mix.
- Set the bare nodes in water, or insert them into moist potting mix. Do not use garden soil.
- Give bright light, not hot noon sun on a jar of water.
- Change the water every few days, or keep the mix moist, not soggy.
A cutting about 5 to 6 inches with the lower leaves off is enough. [3] The watery sap can redden skin. Wash it off. Do not encourage pets to chew cuttings.
Purple Heart, Tradescantia zebrina, and White Velvet are the usual cuttings. They are tender trailers. They are not hardy spiderwort.
Root in water or in potting mix
Both methods work. In water, you can see the roots. Submerge the bare nodes. Keep remaining leaves above the water. Change the water when it clouds. Direct sun on a glass heats the water and grows algae.
In mix, skip the later move. Use a small drained pot and bagged potting mix. Keep it moist, not a sealed puddle. A cutting that falls over in wet mix has often rotted — recut below a firm node and start again.
Water or soil?
Either. Water lets you watch the roots. Mix skips the move into a pot. Both need a node and no submerged leaves.
Pot up the rooted cutting
Move a water cutting into mix when roots are about 1 to 3 inches long. Use a small pot with a drainage hole. Several cuttings in a 4-inch pot look fuller than one stem. [4] Water once, empty the saucer, and keep bright light. Pinch the tips once new leaves show so the plant bushes instead of one long vine.
When do I pot up a water cutting?
When roots are about 1 to 3 inches long. Do not leave the stem in a jar as a permanent plant.
Do not keep the cutting in water as the finished plant. Water roots stall when they hit mix if you wait too long. Pot up, then follow tender light and frost on How to Grow Tradescantia.
A nursery pot on a shop bench is not this job. Plant it on, or take a cutting from a stem you already own.
Grow, types, or divide hardy clumps
July cut, moisture, and frost stay on How to Grow Tradescantia. Habit class: Types of Tradescantia. In-ground plant-out and hardy divide: Planting Tradescantia.
Concord Grape and Virginia Spiderwort are hardy clumps. Split them with a spade in spring or early fall. Do not treat those crowns as jar cuttings.
Take a node cutting, root it in water or mix, pot up, then open How to Grow Tradescantia for tender light and frost.
FAQ
Can I propagate from a leaf only?
No. You need a stem with at least one node. A leaf alone will not root.
Do I need rooting hormone?
No. These stems root at the nodes without it.
Can they live in water forever?
No. Pot up once roots are about 1 to 3 inches. A jar is a start, not a home.
Can I root hardy spiderwort from cuttings?
Divide the clump instead. See Planting Tradescantia.
How many cuttings in one pot?
Several in a 4-inch pot look fuller. One stem is enough in a 2-inch pot.
Do terracotta pots work for new cuttings?
Yes. They dry faster, so check the mix more often. Keep it moist until roots hold.
Can I layer a stem without cutting it off first?
Yes. Pin a node onto moist mix while it is still attached, then cut it free once it roots.
Does the sap irritate skin?
It can. Wash sap off after you take cuttings. Keep pets from chewing stems.
When is the best time of year?
Spring and early summer, when stems are growing. Indoors, a warm bright room works most of the year.
Will Purple Heart stay purple on the cutting?
New leaves need bright light for full purple. Low light greens them. Move the pot into brighter light.
Related guides
Recommended plants
References
- [1] NC State Extension Plant Toolbox -
https://plants.ces.ncsu.edu/plants/tradescantia-zebrina/ - [2] Wisconsin Horticulture -
https://hort.extension.wisc.edu/articles/tradescantia-zebrina/ - [3] Homes and Gardens -
https://www.homesandgardens.com/gardens/how-to-propagate-a-tradescantia - [4] Blooming Expert -
https://www.bloomingexpert.com/indoor-plants/tradescantia/propagation-15/
This note is part of Tradescantia Guides.
More notes on making another plant live in Propagating Guides.
Updated: Reviewed by Bosquelle Editors