Why is your succulent stretching? And how to prevent it

TL;DR

Succulents growing long and thin (etiolation/stretching) are getting too little light. The plant is literally reaching for sun. Move your succulent to a much brighter window (lots of direct sun is fine for these plants). The plant itself will not become compact again, but new growth above will be sturdy. After 4-6 weeks you will see strong, thick new foliage. The old stretched stem can be removed later.

What is etiolation (stretching) anyway?

Etiolation is when a plant stretches long and thin, not because something is wrong, but because it is desperately seeking light. It is a survival tactic: the plant thinks "I am in shade, so I must grow taller to reach above other plants."

For succulents, this is completely wrong. Echeveria and Jade and Aloe are sun-lovers from dry mountain regions. They grow in nature completely exposed, full sun. They are MADE for intense light. If they sit in your living room getting only dim indirect sun, they panic.

This results in:

• Long, thin stems instead of thick sturdy ones
• Large spacing between leaves (instead of tightly clustered)
• Thin, large leaves (not fleshy thick leaves)
• A droopy, lanky appearance instead of compact and dense

This is etiolation. It is not harmful (your plant does not die), but it looks like a sick plant, and it does not solve the real problem - namely, lack of light.

Cause: Too little light

This is the only cause of stretching in succulents. Not water, not fertilizer, not disease. Pure light.

Succulents want at least 4-6 hours PER DAY of direct sun. Yes, direct sun. South or west-facing window is ideal. East works too. North does not.

Many people think "succulents grow in deserts, maybe they want indirect sun." Wrong. They want as much light as possible. Indirect sun in your living room is not enough.

In fact: can succulents get burned by too much sun? No. They can only sunburn if you suddenly move them from shade to very intense light (acclimatization). Normal gradual return to sun: no problem.

Where does it usually go wrong?

North window or deep windowsill: "I want my cactus on the sill, not on a sunny window." Nope. North window? Not enough. Deep sill far from glass? Too little.

Too many windows around but not close to the glass: Many people place their succulent 50 cm from the window. Then it gets only a fraction of the light available right at the glass.

Summer is fine, winter worsens: In winter, the sun shines lower. Plants that get full summer sun receive much less in winter. Many succulents stretch in winter.

Indoor without windows: Your succulent under a lamp on your desk? That lamp is not strong enough. House lights are far too weak for succulents. You would need a grow light, and even that helps less than real sunlight.

How do you make your succulent compact again?

Step 1: Move to much more light

This is the most important thing. The plant itself (the stretched part) will not become compact. But the NEW GROWTH above will be compact if light is good.

So: move your succulent to the brightest, sunniest window. South or west. In summer it can even stand outside in full sun (acclimate gradually to full sun, not suddenly).

Step 2: Wait 4-6 weeks

You will see that new leaves above are narrower, thicker, and more compact than the old leaves. That is a good sign. The plant feels at home.

Step 3: Cut off the old stretched part (optional)

After 4-6 weeks when there is lots of new compact foliage above, you can cut off the old thin stem at the bottom and discard it. Leave at least 2-3 cm of the old stem so further compact growth can continue.

You can also use the cut-off piece as a cutting: let it dry 2-3 weeks, then plant it in dry cactus soil, and water lightly. Many succulents can grow from loose stems.

Step 4: Prevent this from happening again

Once your succulent is growing compact again, keep it there. Do not move back to low light. This window is its home now for the coming months/years.

Do you water differently when fixing stretching?

No. In fact: water LESS when you move your succulent to much light. Succulents in bright light dry out faster than in low light. They grow faster and have more water needs, yes, but much less frequently.

In bright light, your succulent can stand dry 1-2 weeks without problem. Water again only when soil is completely dry. Overwatering is still the number 1 killer of succulents.

Which succulents stretch the most?

Jade (Crassula ovata) - Very sensitive to low light. Becomes long and thin quickly.

Echeveria - Also sensitive. They become droopy quickly if light drops.

Aloe vera - Less sensitive, but also stretches if light is too low.

Sedum - Depends. Sedum spurium is tougher. Sedum adolphi is more sensitive.

Burro's Tail (Sedum morganianum) - Naturally grows long (that is its growth habit), but stretches extra much in low light.

Jade plant (Crassula ovata) - The classic stretcher. Very responsive to light changes.

East, West, or South: which window for succulents?

South: Ideal in winter. Can be too intense in full summer, but usually fine. Many windows have curtains that can help in summer.

West: Great for succulents. Lots of afternoon/evening sun. Summer can be intense around 4 PM, but generally good.

East: Good. Morning sun is less intense than afternoon sun. Succulents feel fine here.

North: Too dark. Not suitable without a grow light.

Window or sill? Right at the glass is much better than 50 cm away. Directly on the sill is ideal.

Step-by-step

Step 1: Evaluate your living room

Which window gets the most sun? South, west, or east? How long is sun there (4+ hours)?

Step 2: Move your succulent

Place it as close as possible to the brightest, sunniest window. Right on the sill.

Step 3: Check compactness after 4 weeks

Is new foliage above growing compact and thick? Great. Continue.

Step 4: Cut off the old part if desired

After 6-8 weeks, when you have lots of compact new growth, trim off the thin old stem.

Step 5: Keep the light

Do not move him back to low light. This window IS his place now.

Frequently asked questions

Can my succulent live outside?

Yes, very gladly. Outside in full sun (minimum 4-6 hours direct) is PERFECT for succulents. They grow much stronger outside than inside. If you have outdoor space (balcony, patio, garden), put it there from May to October. Winter cold usually does not harm succulents (many tolerate to minus 5-10 C), but you must stop watering completely if it freezes.

Is there such a thing as too much sun?

Almost never. Succulents can grow in sun from sunrise to sunset. They do not burn. Only caution: if your succulent was in low light LONG and you suddenly place it in very bright light, the leaf may turn red or orange (stresses the plant). This is not bad, it indicates the plant is adapting. After 1-2 weeks it normalizes.

My succulent is stretching TOWARD the window. Is the window still not close enough?

This means your succulent still feels light is insufficient. Check: is it DIRECTLY at the glass? Or 20-30 cm away? Directly at the glass would help.

Also: if your window faces north, even directly at the glass may still be too dark. Try another window or a grow light.

Can succulents grow under only artificial light?

Difficult. A normal house lamp (incandescent or office LED) is not strong enough. You would need an LED grow light with at least 200+ micromol/m2/s PAR light. Those are not expensive (20-50 euros), but sunlight is free and much better.

I have no window with much sun. What now?

Grow light. LED grow light above your succulents, 12 hours per day, at 20-30 cm distance. This works. It is not as good as sunlight, but much better than nothing. Or: switch away from succulents and choose plants that tolerate low light (Pothos, Philodendron). But if you want succulents, you really need light.

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