Ipomoea alba, more commonly known as the Moonflower—a truly magical plant for the evening garden! This beautiful climbing vine is famous for its large, white, trumpet-shaped flowers that unfurl at dusk and glow in the moonlight, releasing a sweet fragrance that attracts moths and night pollinators. It’s the kind of plant that adds a touch of romance and mystery to any garden.

Ipomoea alba is native to tropical and subtropical regions of the Americas, particularly Central and South America. It has been grown for centuries, not only for its ornamental beauty but also because it belongs to the same family as sweet potatoes (Ipomoea batatas). Its cultural history stretches back to the ancient Aztecs and Mayans, who valued related species for medicinal and practical uses.

Nutritionally, the moonflower itself isn’t eaten—its seeds and parts of the plant are actually toxic if ingested—so it’s grown purely for its beauty and the pollinators it supports. Unlike leafy greens or veggies, it won’t end up on your dinner plate, but it will certainly feed the local ecosystem by attracting beneficial insects to your garden.

Moonflowers are vigorous climbers, easily reaching 3–6 metres in a season if given support such as a trellis, fence, or archway. They thrive in full sun and warm conditions, producing lush green heart-shaped leaves and spectacular flowers that can be 10–15 cm across. They love summer heat and will bloom right through until autumn in most parts of Australia, creating a stunning night-time display.

How to Grow:

To grow Ipomoea alba from seed, you’ll need to give them a little special care to encourage germination. The seeds have a hard coat, so it helps to nick them gently with a file or soak them overnight in warm water before sowing.

Plant them directly into the garden or into pots once the danger of frost has passed, about 1–2 cm deep in well-draining soil.

Keep the soil consistently moist until seedlings emerge, which usually takes 7–14 days.

Once they start climbing, give them something sturdy to scramble over and watch them take off! With plenty of sun, warmth, and regular watering, you’ll be rewarded with magical blooms that open each evening.