How do you take care of agapanthus in the winter?

During the winter, water lightly. Deciduous agapanthus should be kept cooler, approximately 40-50°F, and allowed to rest for the winter. These plants do well in an unheated, cool basement. Since they have no active foliage, they don’t need special light.

Do you cut back agapanthus in the winter?

Deciduous varieties – Cut back agapanthus stems to about 4 inches (10 cm.) However, if you like the texture and structure that spent plants provide to the winter landscape, cutting back agapanthus can wait until early spring. Evergreen varieties – Evergreen agapanthus varieties require no cutting back.

Will agapanthus survive the winter?

Hardiness – Agapanthus have fleshy roots and leaves which can make them prone to frost damage. The hardiest of Agapanthus are deciduous, dying down in winter. They will survive most UK conditions once they are established. Evergreen types are more tender and their leaves can be damaged by frosts.

Is agapanthus winter hardy?

Plants may be described as hardy but if the ground is wet, (and cold) they may not survive the winter. In cold areas Agapanthus can spend winter in the greenhouse. If a greenhouse is not available, a winter mulch of around 15-20 cm is ideal and I find strulch very good.

Will agapanthus survive a hard freeze?

Agapanthus is moderately frost tolerant. By moderate, I mean they can withstand light, short frosts that do not sustainably freeze the ground hard. The top of the plant will die back in a light frost but the thick, fleshy roots will retain vitality and re-sprout in spring.

Can agapanthus be left outside in winter?

The benefit of growing agapanthus in pots is that it’s easy to bring the tender, evergreen types under cover in autumn, so they’re protected from winter cold and damp. An unheated greenhouse or conservatory is ideal for over-wintering them. The more hardy deciduous types can be left outside.

Which is the hardiest agapanthus?

Agapanthus ‘Arctic Star’ This is the best hardy white variety for the garden.

Do agapanthus spread?

Yes! Agapanthus multiply by sending out underground stems called Rhizomes. These stems emerge from the ground as new plants that are identical to the original plant. Despite being attached to the original plant, these plants can grow independently if removed.

What to do with Agapanthus in the winter?

Evergreen Agapanthus should be brought inside and kept in a very bright location with temperatures in the 55-60°F range (12-15°C). During the winter, water lightly. Deciduous Agapanthus should be allowed to rest for the winter. Brush off the soil and allow them to dry out for a few days in a dry, warm location.

Do you need to cut back evergreen Agapanthus?

Evergreen varieties – Evergreen agapanthus varieties require no cutting back. However, you can trim both evergreen and deciduous plants as needed to remove dead, damaged or unsightly growth. Unless the plant is diseased (which is unlikely for this hardy plant), it’s perfectly acceptable to toss the prunings on the compost heap.

What should the temperature be for an evergreen Agapanthus?

Evergreen agapanthus should be kept under cool greenhouse or conservatory room conditions, meaning a very bright location with temperatures in the 55-60°F range. In a basement, you could experiment with using ordinary fluorescent bulbs close to the plants, running about 16 hours or so each day.

Can a deciduous Agapanthus survive in the UK?

The deciduous species are a bit hardier, as they come from a cooler part of Africa. A trial in the UK showed these varieties could survive outdoors with a little protection. If you wish to be certain your tubers will bloom again, you can also choose to lift them and store them indoors.