Letting Plants Lead: How to Know When to Prune

If you’re wondering when to prune garden plants, the simplest answer is this: it depends on when they flower.

Most pruning mistakes happen because plants are cut back at the wrong time of year. Instead of following a strict calendar, paying attention to a plant’s flowering time is the easiest way to get pruning right.

When Is the Best Time to Prune Flowers?

The best time to prune flowers depends on whether the plant blooms in spring or later in the year.

Spring-flowering plants form their flower buds the year before. Pruning them in winter usually removes those buds, which means fewer flowers. These plants are best pruned after flowering, once the blooms have faded.

Summer-flowering plants bloom on new growth made in the same year. These plants are usually happy to be pruned in late winter or early spring, which encourages strong new growth and better flowering.

If you remember just one thing, remember this: early flowers — prune later; late flowers — prune earlier.

Can You Prune in Winter?

Some pruning is safe to do in winter. Dead, damaged or diseased stems can usually be removed at any time of year. Crossing or rubbing branches can also be cut back to improve plant health.

If a plant already has visible buds or fresh green growth, it’s best to stop and wait. Pruning at this stage may remove flowers or slow growth.

When to Cut Back Perennials

Many perennials are best left standing over winter. Their stems help protect the plant from frost, provide food for wildlife, and add winter structure to the garden. Cutting back is often best done in early spring, once new growth begins to appear.

Not Sure When to Prune? Here’s the Safest Advice

If you’re unsure when to prune a plant, waiting is usually the safest option. Watch when it flowers, then prune it at the correct time the following year.

Gardens don’t need to be heavily pruned in winter. Taking a slower, more observant approach often leads to healthier plants and better blooms.

When it comes to pruning, letting plants lead gives the best results.

Working with the garden, not against it.

Nature. Nurtured.