Rose eye not growing? The rootstock is sprouting instead

Why is the rootstock growing out instead of the rose bud?

You planted a grafted rose last autumn or winter (for example a Knock Out rose on a Rosa canina rootstock). You wait expectantly for the bud (the small eye that should grow), but what do you see? Instead, thin, thorny shoots start growing up from the base of the plant - that is the rootstock taking off.

This happens more often than you would think. It can mean that:

1. The rose bud has not taken properly
2. The rootstock is growing stronger than the bud
3. The plant was planted too deep
4. The bud is damaged or frozen
5. The growing conditions were not good

This is a critical moment. If you do nothing now, the rootstock will pull all the energy to itself and your rose bud may not take at all.

Recognize rootstock shoots

Rootstock shoots have completely different characteristics:

• Very thin, fragile growth (not vigorous!)
• Many sharp thorns
• Small leaves
• Grow low from the base of the plant
• Light green color (not dark green like your rose)

The rose bud, on the other hand, is a small, thick knob that you can see where you planted it (usually 5-15 cm above ground level). The bud usually sits under a small piece of string or is already somewhat swollen.

TL;DR

The rootstock is growing because the rose bud has not (properly) taken. You must:

1. Remove all rootstock shoots immediately
2. Better stimulate the rose bud
3. Check whether the bud is still alive

How do you handle sprouting rootstock shoots?

Step 1: Remove all rootstock growth

Pinch or cut off all thin, thorny shoots. Very gently - they are fragile. You can also carefully break them off if they are thin enough. The goal is that they do not grow back, so make sure you remove them completely.

You can do this as soon as you see them, so already in March-April.

Step 2: Check the bud itself

Look at where you planted the rose bud. Is there still string around it? Remove it gently. Does the bud look like a thick knob, or does it look brown/dry?

If the bud looks dead (brown, shriveled, hard texture), it is probably frost damaged. In that case you can not do much more - the plant will probably not take.

Step 3: Make sure the bud grows well

To encourage the bud:

• Ensure regular water (not waterlogged!)
• Give nutrition, e.g. a rose starter or slow-release fertiliser
• Ensure at least 5 hours of sun per day
• Remove all rootstock growth as soon as it appears (several times per season)

Step 4: Wait patiently

Sometimes it takes 4-6 weeks for a bud to take, especially if it is still cold. Give it time. If you only planted in March, the bud can wait until May before it really starts to grow.

Why did the bud not take?

Possible reasons:

• Frost damage: The bud was frost-damaged in January-February. This is not fixable - you must replace the plant.
• Planting depth: The bud was planted too deep or was covered with soil. Should not happen. The bud must sit above ground level.
• Drought: Your plant was too dry in the first months. Young roots of a freshly planted rose cannot tolerate drought.
• Too much shade: Roses want full sun. Less than 4-5 hours of sun per day slows growth.
• Rootstock too vigorous: Some Rosa canina rootstocks are so strong that they overtake the bud. This happens especially if you do not remove much rootstock growth.

Frequently asked questions

Can I cut off the bud and graft a new one?

No, you can not do that yourself at home. Grafting is a difficult art that you must do in winter. If your bud does not take, your best option is: dig up the plant in autumn and replace it with a healthy specimen, or accept that your plant will not bloom this year.

How long should I let that rootstock growth grow?

Not at all. You must remove everything that grows from the rootstock immediately. Every day you wait, that growth pulls more nutrients and pushes your bud further away.

My bud is green and swollen. Will it grow?

Probably yes! A green, swollen bud is a good sign. Give it a bit more time and make sure the rootstock growth stays away. By May-June you should see small leaves emerging from the bud.

Can I carefully help the bud along by pruning?

No, do not prune. You can carefully remove the dead wood around it (with a knife), but do not touch the bud itself. It will grow on its own.

Step-by-step

Step 1: Check the bud

Look at where you planted the bud. Is there string around it? Does the bud look green or brown?

Step 2: Remove all rootstock shoots

Pinch or break off all thin, thorny growth. Do this regularly (every 2-3 weeks).

Step 3: Give nutrition and water

Water regularly (10-15 cm deep per week). Give nutrition with nitrogen (rose starter).

Step 4: Wait and monitor

Check weekly if the bud begins to grow. Remove rootstock growth immediately.

Frequently asked questions

How long does it take for a bud to take?

Normally 4-8 weeks in good conditions. In cold periods it can take longer.

Should I do anything special when the bud finally grows?

Once the bud gets small leaves (usually three to five), you can carefully prune downward, so you cut just above the first set of true leaves. But wait until the bud has grown at least 5 cm.

Can I still save the plant if the bud does not take?

If the bud dies, your rose is probably lost (it is after all only the bud). Your best option is: replace the plant, or try to graft a new bud in autumn if you are skilled.

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