Is Bicolor Butterfly Bush Patented or Free to Propagate?

Here is the surprising part about Bicolor Butterfly Bush: the plant you buy under that name is typically a seed strain, yet a cutting from it is a perfect copy of one plant. A seedling mixes genes from two parents, so no two come out quite alike. A cutting grows from a single stem, so it carries every gene of the shrub it came from. That is why propagation raises a legal question at all.

Protection attaches to a specific plant, and a clone is that plant over again. Many newer named butterfly bushes are protected for exactly this reason, while Bicolor is usually sold as an open seed strain.

We'll walk you through how to read a plant tag and what seed-strain status means for copying, then when to take cuttings, which rooting mix to use, and where sharing or selling rooted plants needs care.

Check the Tag for a Patent Number

The first decision is whether the plant in front of you is protected at all. The tag, the pot label and your purchase record answer that faster than any search.

What Protection Looks Like on a Label

Protected plants usually say so, and the label is where to look first.

Look for a patent number, the letters PP, a "Plant Patent" or "PPAF" (patent applied for) line, or a statement that propagation is prohibited. Many protected cultivars also carry a trademarked marketing name beside the legal cultivar name. A named cultivar such as 'Kaleidoscope' is the kind of plant that tends to carry these marks.

The reason is simple cause and effect. A plant patent covers a plant reproduced asexually, which means by cuttings, division or grafting. That is exactly what you are doing when you root a stem, so a protected label is the one that matters to a propagator.

Why a Name Alone Settles Nothing

A cultivar name tells you the plant was selected and named, not whether anyone still holds rights to it.

The cultivar 'Attraction', for example, was developed in the late 1990s and stays a compact 4–6 feet, unlike the species. Age and size say nothing about its legal status either way. Only the tag, the grower and the patent records can tell you.

Our own guide to Bicolor's confusing names explains why a "Bicolor" label can sit on very different plants. That is one more reason to keep the original label.

When the Tag Is Long Gone

Plenty of shrubs in older gardens lost their tags years ago, and that leaves you reasoning from evidence instead of paper.

Start with the person who sold or gave you the plant, and ask whether it was a seed strain or a named cultivar. If the source is gone, look at the shrub itself. A true seed strain is variable, so a plant whose siblings at the same nursery looked slightly different points toward a strain. If you still cannot tell, your local extension service can help you search the patent record by cultivar name.

Keep the Record

Whatever the tag says, photograph it and keep the receipt.

If a tag shows no patent mark and the seller describes the plant as a seed strain, write that down. Proof of what you bought is the one thing you cannot rebuild later. This guide is general information, not legal advice. For a firm answer on a particular plant, ask the seller or your local extension service.

The choice: read the tag and the plant record before you take a single cutting.

Seed Strain Status Changes What You May Copy

The second decision is what "seed strain" means for copying. It changes the picture more than most people expect.

Why a Strain Is Not a Clone

A patented cultivar is one individual plant, multiplied by cuttings or division. A seed strain is a population grown from seed, with a typical look but real variation.

Bicolor is typically sold this way, so there is no single protected parent plant. Seedlings of a strain can differ in flower color, size and vigor, and nobody holds rights to that natural spread. Cuttings from your own shrub copy only your shrub.

What We Would Treat as Unpatented

If your Bicolor came as an open seed strain, the practical reading is that it carries no patent restriction on cuttings.

We say "practical reading" on purpose. We cannot see your tag, and a seller could have labeled a protected plant "Bicolor" loosely. That is the one risk worth guarding against, and it is why the first decision comes first.

Choose Your Parent Plant Carefully

Because a strain varies, the shrub you cut from matters more than it would with a fixed cultivar.

The species is lilac with an orange throat, while a cultivar like 'Attraction' is listed as purple/lavender and red/burgundy, so color is not fixed across butterfly bushes. Pick the individual in your garden with the bloom, habit and vigor you like best, because every cutting repeats that one plant. A weak or sparse shrub gives you weak, sparse copies.

Seed Is Not the Easy Alternative

You could skip cuttings and let seed do the work. The species self-seeds and naturalizes easily, and the seeds are winged and light enough to travel far on wind or water.

That is a real drawback. Seedlings will not match the parent, and they escape. Cuttings give you the exact plant you chose without adding to the spread.

The choice: treat a Bicolor sold as a seed strain as unpatented, and propagate it by cuttings rather than seed.

Take Softwood Cuttings From Your Bicolor Butterfly Bush

Once the legal question is settled, timing and stem choice decide whether the cutting roots. The reasoning matters more than the date.

Why Softwood Roots Best

Softwood is new growth that is still flexible and has not turned woody. Its cells divide quickly, so it forms roots faster than older, hardened stems.

Butterfly bush blooms on new growth, as Oregon State notes, so spring and summer give you a steady supply of it. Our guide on old versus new wood covers the same habit from the bloom side.

Pick the Right Moment and Stem

Take cuttings in the cool of the morning, when stems are full of water. Choose a vigorous, non-flowering shoot, because a stem putting its energy into flowers has less to spare for roots.

The species blooms from June to September, so if a shoot already carries buds, pinch them off and use it anyway or pick another. A healthy stem bends before it snaps. A stem that snaps cleanly is a little too mature.

Let Your Pruning Calendar Help

Bicolor is cut back hard in early spring, and that pruning is what gives you good cutting wood a few weeks later.

The vigorous shoots that push from the pruned framework are young, evenly sized and not yet in bud, which is just what you want. If you prune on time, you do not need to hunt for material. Our guide to pruning Bicolor covers the cuts themselves.

Make the Cut

Cut just below a node, the point where a leaf joins the stem, because roots form most readily there. Strip the lower leaves and leave a few at the top.

Keep the cuttings wet and shaded until they are in the mix. We often see cuttings fail simply because they wilted on a hot windowsill before anyone potted them. Our cuttings technique guide takes you through the rooting steps in detail.

Cutting Day Checklist

Gather these before you head out to the shrub, so the stems spend as little time out of water as possible.

• Clean, sharp pruners wiped with rubbing alcohol, so you do not carry disease from one stem to the next.
• A bucket or plastic bag with a little water, kept in shade.
• Pots already filled with pre-moistened mix, so the cuttings go in within minutes.
• A label for each pot naming the parent shrub, which helps later if you want more from the best one.

The choice: take cuttings from vigorous, non-flowering softwood shoots in late spring or early summer, cut below a node, and keep them cool until potted.

Rooting Medium Choices for Bicolor Butterfly Bush Cuttings

A cutting has no roots to pull in water, so the mix has to hold moisture without drowning the stem. The balance is water against air.

Why Air Matters as Much as Water

Cut tissue takes in oxygen at the base. In a waterlogged mix the pores fill with water, oxygen runs out, and the stem rots before it roots.

A mix that is too dry fails the other way, since the cutting loses water through its leaves faster than it can replace it. The aim is a mix that stays damp but drains freely, so air returns to the pores after each watering.

Comparing Common Mixes

Here is how the usual options compare, based on how each holds water and air.

Medium	Moisture	Air	Our view
Perlite blended with peat or coir	Steady, never soggy	Plenty	Our pick
Coarse sand	Dries quickly	Plenty	Fine, needs frequent checks
Straight peat or garden soil	Holds too much	Poor	Avoid
Plain water	Constant	Low	Roots form but are brittle

The Mix We Would Choose

We use a sterile, soilless mix of perlite blended with peat or coir. Sterile matters because garden soil can carry the fungi that rot cut stems.

Wet the mix before you insert the cutting and let the excess drain. Then keep it evenly damp, not dripping, in bright light out of direct sun.

Reading the Cutting as It Roots

Once the cuttings are potted, the leaves tell you how things are going, and they do so well before any root shows.

Leaves that stay firm mean the stem is taking up enough water. Limp leaves that perk up overnight suggest the humidity is too low, so cover the pot loosely with a clear bag propped off the foliage. A blackening base means the mix is too wet. New leaf growth at the tip is the best sign that roots have formed. Resist the urge to pull the cutting up to check, because that tears the first fine roots.

The choice: a sterile perlite and peat or coir blend, pre-moistened and well drained.

Sharing Plants Beyond Your Own Fence Line

With rooted plants in hand, the fifth decision is what to do with them. Giving one to a neighbor is a different question from selling a dozen.

Giving Plants Away

For an unpatented seed strain, passing a rooted cutting to a friend raises no patent concern. Include a note saying it is Bicolor and how it grows, so they plant it with the right expectations.

Our pollinator guide is a good one to pass along. A shrub covered in butterflies in late summer is the best argument for sharing one.

Pass Along the Seed Warning

A gift plant comes with a responsibility the patent question never touches, which is where the seed goes.

Tell the recipient to deadhead, removing spent flower clusters before the seed disperses, which also extends the blooming season. This species is listed as invasive by the NC Invasive Plant Council in the Mountain and Piedmont regions of North Carolina, so a gift that seeds into a neighbor's woodland is no favor to anyone.

Selling Rooted Plants

Selling is where limits start. A patent is not the only rule, because some places restrict butterfly bush itself.

The species is labeled a noxious weed in Oregon and Washington, and Oregon prohibited the sale in 2010 of unapproved Buddleja davidii selections, though sterile cultivars were not affected. Local rules vary, so check with your state or extension service before you sell anything.

Where We Draw the Line

Our advice is to share freely with neighbors and friends, and to check local rules before any sale. If a plant's status is unclear, do not sell copies of it.

If a customer asks us whether they can sell cuttings from a plant of unknown origin, we tell them to confirm its status first. Starting a business on a plant whose status you never checked is a poor trade for a few dollars of stock.

The choice: give rooted Bicolor away freely, and sell only after you confirm it is unprotected and legal in your state.

Bicolor Butterfly Bush Stays Free, With One Caveat

Sold as an open seed strain, Bicolor carries no patent restriction on cuttings, so you can root it in a pot of perlite and peat and pass the results around. Check the tag first, treat a seed strain as unpatented, take softwood cuttings from a non-flowering shoot, and share with care. Our buying guide helps you start with a plant whose label you can trust.

The caveat to remember is a single one: verify that a named cultivar is not protected before selling copies. Before a plant leaves us, our growers match the name on the pot to the plant inside it, the same habit we ask of you here. We are a small business with our own farms, growing and selling top-quality butterfly bushes we are happy to put our name to.