Deadheading agapanthus and other perennial flowers involves removing the faded flowers before they form seeds, which offers several aesthetic and practical benefits. As well as prolonging the flowering season, deadheading can improve the appearance of the plant and the garden, and it prevents seed heads from forming.

Should I deadhead agapanthus after flowering?

Pot-grown agapanthus will benefit from an annual feed – a liquid tomato feed is ideal. Deadhead spent blooms to encourage more to form, or leave the faded flower heads in place if you want to collect the seed.

How do you keep agapanthus blooming?

Try feeding the plant twice monthly during springtime, using a water-soluble fertilizer for blooming plants, and then cut back to once monthly when the plant begins to bloom. Stop fertilizing when the plant stops blooming, usually in early autumn.

What do you do with agapanthus seed heads?

Here's how: Once you have removed the agapanthus seed pods from the plant, place them in a paper bag and store them in a dry location until the pods split open. Remove the seeds from the split pods. Place the seeds in a sealed container and store them in a cool, dry place until spring.

How do you prune agapanthus?

1. Cut off the old flower spikes after the flowers fade and before they begin to dry and set seeds. ...
2. Prune out dead or damaged leaves at any time with clean shears. ...
3. Prune back deciduous varieties to within 4 inches of the ground after the foliage dies back naturally in fall.

How to tend to your agapanthus after flowering

Can you feed agapanthus with Tomorite?

I used to grow agapanthus only in pots, but the flowers were smaller than I expected, so I planted them all out in the garden. I found that they were slow to flower generously, but a high-potash fertiliser (I use last year's Tomorite) in late April greatly increased the production of flower-spikes.

Why do agapanthus leaves turn yellow?

The most common symptom of iron chlorosis -- a lack of iron, particularly in young growth -- is yellow leaves with green veins. ... If the soil is alkaline, with a pH of more than 7, it needs to be lowered to at least 6.5 for the agapanthus' roots to effectively use the iron present in the soil.

Why has my agapanthus only got one flower?

Too much shade, cold weather and lack of winter protection are also common reasons for agapanthus to fail to flower. Too much winter warmth may lead to early flowering, but the flower quality will be poor.

Will agapanthus bloom again?

With proper care, agapanthus flowering occurs repeatedly for several weeks throughout the season, then this perennial powerhouse returns to put on another show the next year. Agapanthus is a nearly indestructible plant and, in fact, most agapanthus varieties self-seed generously and may even become somewhat weedy.

When should you split agapanthus?

When to Split Agapanthus

Do the actual division when new growth emerges in spring, or else in early autumn after the plants have finished flowering. This timing works for deciduous plants too. However, these should only be divided every 6 to 8 years.

How do you take care of agapanthus in the winter?

Dig up the tubers and brush off the soil. Allow the tubers to dry out for a few days in a dry, warm location. Then store the tubers wrapped in newspaper in a cool, dark location. Optimum temperatures for Agapanthus winter storage are 40 to 50 degrees Fahrenheit (4 to 10 C.).

Is tomato feed good for agapanthus?

Feeding – Agapanthus are quite hungry feeders. For best results apply a top dressing of our Agapanthus Plant Food to the surface of the soil. ... Alternatively, liquid feed plants in containers with Phostrogen liquid feed during the growing season or tomato feed which contains high levels of Potash.

What is the best fertilizer for agapanthus?

The best Agapanthus fertilizers will be fairly balanced, such as 10-10-10 or 5-5-5, or slightly higher in phosphorus than nitrogen. Agapanthus grown outdoors will die back in winter. Spread a heavy mulch around the root zone to protect the plant from the cold.

Are agapanthus better in pots?

Agapanthus make fantastic patio plants and look particularly good grown in terracotta pots. ... 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.

Where is the best place to plant agapanthus?

Agapanthus thrive in full sun and need 6-8 hours of sunlight each day. However, they do better in partial shade in hot climate areas. Agapanthus perform best in fertile, moist and well-drained soil. They show no preference for pH, except Agapanthus africanus which prefers an acid soil.

Can you trim agapanthus leaves?

"Agapanthus are okay in the garden as long as you remove the flower heads before they release their seeds," she said. ... If gardeners choose to remove an entire agapanthus plant, it is recommended that only the leaves be used for composting.

Should I cut yellow leaves off agapanthus?

The leaves on this plant naturally turn yellow and die back over winter, but if they are pale with stripes and the plant flowers poorly, then your agapanthus has a virus and is best thrown out.

Why are the tips of my agapanthus turning brown?

Browning leaf tips on Agapanthus may be caused by natural aging, dry summer weather (and lack of humidity), over-watering, or a need for more fertilizer, especially if this happens during blooming. ... Next spring, try fertilizing lightly, before the flower stalk appears.

Why are my agapanthus leaves dying?

Agapanthus are soft foliage, drought tolerant plants. The main causes of rotting are: ... Agapanthus are drought tolerant an store water in their roots. Over watering can cause root oedema and collapse as oxygen levels are depleted in the soil.

How often should you water agapanthus?

Watering. Keeping water up to our Agapanthus when first planted and first established is fairly important, especially in dry areas. If you water at least once a day during this period ( 2-3 weeks ) will ensure optimum growth.

Is nitrogen good for agapanthus?

Avoid fertilizing agapanthus plants with high nitrogen fertilizers in spring, which will force new leafy growth at the expense of flowering. ... Never apply liquid fertiliser on hot days.

How do you get Lily of the Nile to bloom?

If it's planted in partial shade, lily of the Nile may not get enough sun to flower. Although the plant may bloom when it gets as few as three or four hours of direct sun per day, it should get six or more hours. In shady sites, lily of the Nile often produces healthy, lush foliage year after year, but won't flower.