How to Repot a Burro's Tail
Repot a Burro's Tail every 3 to 4 years into a pot that's 1 to 2 inches wider than the current pot. Use a gritty, fast-draining cactus or succulent mix, and wait about a week before the first watering. Spring is the best time, when light is picking up and growth is active.
How to Know It's Time to Repot
Burro's Tail is a slow-growing trailing succulent with delicate plump leaves that fall off at the slightest touch. The signs of a too-small pot are quieter than they are for most plants. Watch for two or more of these four signals before reaching for a new pot.
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1Roots circle the bottom of the pot or push out through the drainage holes.
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2The trailing stems have noticeably lengthened and look bare and stretched at the top.
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3Soil stays soggy for many days after watering, since old compacted soil drains poorly.
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4The plant has started tipping in its pot because the trailing stems are pulling it sideways.
Burro's Tail prefers a snug pot, so don't repot just because the pot looks small. Wait until at least two of these signs are present, and expect a new pot every 3 to 4 years for a mature plant.
The Best Time of Year to Repot
Burro's Tail recovers slowly, so it's best to repot during its active growing season when warmth and longer days speed up root recovery. Spring through early summer is the window.
Avoid repotting in winter, when the plant is resting and the freshly cut roots are slow to heal. Use the map below to find your window.
How to Choose a Pot and Soil Mix
Pot Size
Move up to a pot that's 1 to 2 inches wider than the current pot. Burro's Tail has a small root system and prefers a snug fit, so resist the urge to jump several sizes up. Too much wet soil around the roots is the easiest way to rot this succulent.
Pot Material
Terracotta is the strongest choice for Burro's Tail. The breathable walls dry the soil evenly between waterings instead of staying soggy at the bottom, which matches the plant's preference for dry roots.
Hanging baskets and macrame planters with terracotta inserts also work beautifully, since the trailing stems look best draped over the edge. Whichever material you pick, make sure the pot has drainage holes.
Soil Mix
Use a pre-mixed cactus or succulent soil, or blend one part standard potting soil with one part coarse perlite or pumice and a handful of coarse sand. The mix should feel gritty and fall away from your hand easily, with plenty of large air pockets.
Skip moisture-control formulas and dense peat-heavy mixes. Both hold far too much water for these roots and lead to rot within weeks.
How to Repot a Burro's Tail, Step by Step
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1Let the soil dry out completely. Stop watering 1 to 2 weeks before you plan to repot. Dry soil falls away from the small root system cleanly, makes any rotted roots easier to spot, and gives the freshly cut roots a chance to callus before they meet new soil. Never pre-water Burro's Tail before repotting, since wet roots and a cut from handling are a fast track to rot.
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2Pick the new pot. Choose a pot that's 1 to 2 inches wider than the current pot, with drainage holes. Layer an inch of fresh gritty mix in the bottom so the root ball will sit at the same height it did before.
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3Set the plant on a stable surface and ease it out. Burro's Tail leaves fall off at the slightest touch, so move the plant carefully. Tip the pot onto its side on a soft cloth and gently slide the root ball out. Expect to lose some leaves no matter how careful you are. Save the fallen leaves for propagation later.
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4Inspect the roots. Gently brush away the old dry soil so you can see the small root system clearly. Trim away any sections that are black, mushy, or smell sour with a clean knife. Healthy Burro's Tail roots are firm and pale tan.
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5Set it in the new pot. Center the plant at the same depth it was growing before. Fill in around the sides with fresh gritty mix, pressing gently as you go to keep the plant upright and remove air pockets.
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6Wait a week, then water. Do not water immediately. Let the freshly cut roots callus over in dry soil for about a week, then give the plant a thorough drink. Watering wet wounds is the fastest way to rot a Burro's Tail after repotting.
What to Expect After Repotting
Weeks 1 to 2
Burro's Tail is slow to show change, so don't expect dramatic new growth right away. Some of the older leaves may shrivel slightly while the small root system reestablishes.
Keep the soil dry for the first week, then water normally when the soil is bone-dry. Give the plant bright light, including a few hours of direct sun if possible, and skip fertilizer for now.
Months 1 to 3
Fresh plump leaves at the growing tips of the trailing stems are the clearest signal that the plant has rooted in. With this species, that can take a month or more since growth is slow.
Resume your normal dry-then-deep-soak watering rhythm and start half-strength cactus fertilizer once the next active season arrives. Build up to full strength over the next two or three feedings. Burro's Tail rarely needs much feeding.
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