Why Is My Rhubarb Spindly

The most common reason for rhubarb having thin, spindly stalks is that the plant itself has gotten too large and mature. It seems counter-intuitive, but for rhubarb, a massive plant is the same problem as overcrowding with other plants (which is another cause of thin stalks).

Why are my rhubarb stalks skinny?

The most common reason for rhubarb having thin, spindly stalks is that the plant itself has gotten too large and mature. It seems counter-intuitive, but for rhubarb, a massive plant is the same problem as overcrowding with other plants (which is another cause of thin stalks).

How do you fix spindly rhubarb?

Lack of Vigor The solution: In arid climates and during periods of drought, water rhubarb weekly. Apply an organic rich compost to the top of the soil or side dress rhubarb plants with a balanced (10-10-10) fertilizer in early spring.