The Magic of the Windowsill: A Simple Guide to Regrowing Spring Onions

A simple jar on the windowsill, a few roots in water, and suddenly the kitchen begins to grow — fresh spring onions, ready whenever they are needed.

Multiple jars of regrowing spring onions with visible roots in a rustic kitchen setting

There is a quiet kind of magic in the kitchen — the kind that asks for nothing more than a moment of pause. A pair of scissors, a gentle snip, and suddenly, fresh spring onions are ready to brighten a dish.

No muddy shoes. No hurried trips to the shop. Just a small, living garden resting quietly on the windowsill.

Whether there is a wide balcony or simply a narrow ledge by the window, spring onions are among the easiest plants to grow at home. And once begun, it quickly becomes clear why these vibrant green stems feel so much more alive than anything wrapped in plastic from the supermarket.

Spring onions — often called salad onions in British gardens — are wonderfully forgiving.

They do not require deep soil, they grow quickly, and they offer repeated harvests with very little effort. They are the perfect starting point for anyone wishing to bring a touch of the countryside indoors, even in the smallest of spaces.

They take up very little room, thrive in simple containers, and add a gentle, fresh flavour to everything from a morning omelette to a rustic evening tart.

Regrowing spring onions is a simple, tactile pleasure. These two methods work beautifully on a windowsill, balcony, or small patio.

This method feels almost like quiet kitchen alchemy — turning leftovers into something living once again.

Keep the bottom 3–4 cm of the spring onions, ensuring the roots remain intact.

Place them upright in a glass with just enough water to cover the roots. Keep the tops dry.

Set the jar on a bright windowsill and refresh the water every couple of days.

Within days, fresh green shoots appear. In about a week, they are ready to harvest again.

Snip what is needed, and they will continue to grow.

For a more lasting supply, planting in soil allows the onions to grow stronger and fuller over time.

What is needed

Fill the pot

Use a light, well-draining compost.

Plant gently

Set the roots into the soil so the white part is just covered. They can grow happily close together.

Water lightly

Keep the soil moist, never waterlogged.

Give them light

A sunny window or balcony spot will suit them perfectly.

Spring onions ask for very little, yet give generously in return.

Even the smallest balcony can become a quiet, living garden when herbs and spring onions are gathered together in a simple wooden planter.

A balcony box filled with basil, thyme, parsley and clusters of spring onions creates a soft, layered feel — both practical and beautiful. Everything grows within easy reach, ready to be snipped and used in the kitchen.

Choose a sunny, sheltered spot where the plants can enjoy the warmth of the day. Water gently and regularly, as containers tend to dry out more quickly than garden beds.

Grouped together, these small plants begin to feel like a miniature kitchen garden — a little pocket of green in the middle of the city.

The reward is not only flavour, but connection.

Beyond the fresh flavour, a pot of spring onions adds a quiet, natural beauty to the home. A few glass jars along the sill or a row of pots on the balcony bring a sense of the countryside right to the doorstep.

It is a gentle reminder that even the smallest space can flourish with just a little care.

Soon, these small green shoots will find their way into simple, seasonal dishes — from warm egg breakfasts to light spring suppers. For now, they remain here, growing quietly on the windowsill, ready to be snipped whenever the moment calls.