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InsightHorizon Digest

How do you grow hardy geraniums

Author

James Bradley

Updated on April 10, 2026

Grow hardy geraniums in moist but well-drained soil in sun or shade. Cut back after flowering to encourage a second flush of blooms. Hardy geraniums die back in autumn and regrow in spring. Mulching annually with leaf mould or well-rotted compost or horse manure will keep plants growing well for several years.

Do hardy geraniums come back every year?

True hardy geraniums are perennials that come back each year, while pelargoniums die in the winter and are frequently treated like annuals, re-planted each year.

Do hardy geraniums do well in pots?

Hands down, the answer is: YES! You absolutely can grow your favorite hardy geraniums – ahem, Geranium Rozanne®, of course – in your favorite containers in your garden. Rozanne loves dripping from hanging baskets and window boxes. Or, she loves hanging over the edge of a big planter.

What is the secret to growing geraniums?

You need loose, well-draining soil, consistent watering and low levels of fertilization. Geraniums grow well in containers of all shapes and sizes, as long as they have drainage holes. The key to successfully growing geraniums in pots is to place them in sunny locations and out of damaging winds.

Are hardy geraniums easy to grow?

Hardy geraniums – sometimes referred to as cranesbills – are among the most popular garden perennials. And it’s easy to see why. They’re easy to grow, take a wide range of conditions, are tough and need little in the way of care and attention.

How do you look after perennial geraniums?

  1. Let them see the sun! Although Geranium Rozanne can tolerate shade, she is happiest when planted in a spot that gets full or partial sunlight. …
  2. Don’t worry (too much) about the soil. …
  3. Cut back to encourage new growth. …
  4. Beware of slugs. …
  5. She likes to spread her wings.

How do you look after hardy geraniums?

Grow hardy geraniums in moist but well-drained soil in sun or shade. Cut back after flowering to encourage a second flush of blooms. Hardy geraniums die back in autumn and regrow in spring. Mulching annually with leaf mould or well-rotted compost or horse manure will keep plants growing well for several years.

How do you care for outdoor potted geraniums?

  1. Allow soil to dry to some extent between waterings, then water thoroughly.
  2. During the winter, water much less, but do not let the roots dry out entirely. …
  3. To encourage blooming, deadhead spent flowers regularly.
  4. To promote bushiness and curtail legginess, pinch back the stems.

Do geraniums do better in pots or in the ground?

Whether you are planting your geraniums in the ground or in a pot, geraniums are generally one of the easier plants to take care of. They can be planted in spots that get full sun, partial sun, or light shade. … It is best to plant geraniums in soil that drains well.

Do geraniums prefer sun or shade?

The two most common reasons for geraniums not blooming prolifically are too little light or too much fertilizer. Geraniums are a sun loving plant that need 4-6 hours of full sun a day, or perhaps longer in somewhat filtered light. South and west exposures are usually best.

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Are hardy geraniums Evergreen?

Some hardy geraniums are evergreen or semi-evergreen and make excellent groundcovers – so don’t cut back their foliage in the fall! … Hardy geraniums or cranesbills are perennial plants that belong to the genus Geranium and thrive in temperate climates with cool summers and cool summer nights.

Should geraniums be cut back?

Geraniums will grow tall and leggy if they’re not pruned regularly. Cutting back the plants allows for new growth and longer-lasting blooms, bringing out the best in these bright, cheerful garden staple. And you don’t have to let the cuttings go to waste – you can use them to start new geranium plants.

Should I cut back geranium Rozanne?

They can easily be pruned back on June or November time to keep them in shape if you want. They are low maintenance if the soil is kept moist. No parts of the plant are poisonous to humans. They make good cut flowers but only last for two to three days.

Why is my hardy geranium not flowering?

If your Geranium looks healthy, but isn’t blooming If the pot is too large for the plant, then the roots will fill out but the plant won’t flower. Try moving it to a smaller container so the roots are restricted and the plant can focus on flowering. Make sure it has adequate light. Geraniums flower well in full sun.

How long do hardy geraniums bloom?

Some hardy geraniums enjoy remarkably long flowering seasons, extending from late spring to late fall (if cut back hard after the first flush of blooms starts to fade in early summer). The best varieties will flower continuously all summer long giving your garden cheerful color.

When should I prune my hardy geraniums?

Herbaceous perennials that flower in early summer, such as hardy geraniums (pictured), alchemilla and stachys, can be cut to the base as soon as the main flush of blooms starts to fade. In an early season, this will be towards the end of June.

Do geraniums come back after winter?

Annual geraniums (Pelargonium hybrids) are amazing — they grow and bloom beautifully from spring to frost without a lot of fuss. Then you dig them up in fall, put them in a cardboard box or a paper bag to store over winter and these tough little plants will take off and grow again the following spring.

Should you cut back geraniums for winter?

Shape the Plant by Pruning. After a perennial geranium has spent the season in bloom and begins to die back, you’ll want to prune it. This keeps the plant dormant for the winter and also helps it store energy for spring. … Remove any leaves or additional flowers that remain.

Can hardy geraniums grow in shade?

Vibrant, beautiful and easy to grow and propagate, there are so many reasons to grow hardy geraniums. Plenty thrive in shade, too.

What to do with perennial geraniums after flowering?

Cutting back after flowering Early-flowering perennials such as geraniums and delphiniums are cut to near ground level after flowering to encourage fresh foliage and late summer flowering. These are then cut back again in autumn or spring.

Are geraniums perennials or annuals?

It’s an annual. The plant in the garden is officially named geranium and commonly called cranesbill. It blooms for a few weeks in late spring or summer, but survives really cold winters. It is a perennial.

Is Miracle Grow good for geraniums?

The best soil for both perennial and annual geraniums is one that is both fertile and well-draining. … For best results when growing geraniums in containers, fill pots with light and fluffy Miracle-Gro® Potting Mix.

How do you keep geraniums blooming?

  1. Provide the Proper Light.
  2. Ensure that your flowers are getting plenty of sun. …
  3. Keep the Soil Moist.
  4. Keep the soil moist but not overly wet. …
  5. Remove Leggy Growth.
  6. Cut the plants back in midsummer. …
  7. Feed Your Plants.
  8. Apply a high-potash fertilizer to increase blooming.

How often should geraniums be watered?

That is, you shouldn’t rush to irrigate these plants every day, since they grow better when their soil dries out between waterings. Pelargoniums like the soil to dry out a bit before you add more water. Reduce waterings in winter, but never let the soil dry out completely.

How long do potted geraniums last?

The average life expectancy of a geranium is about two years, and although they will last much longer than that, they tend to get woody and the blooms diminish.

Can I leave geraniums outside over winter?

There are different ways to overwinter geraniums. Potted and kept in the right conditions, the plants can be kept either growing or in a semi-dormant state over the winter, however they can also be overwintered in a dormant state and stored in bare-root form.

Can geraniums survive frost?

Some surprises from the recent cold snaps: Geraniums, one of my favorite container plants, cannot tolerate a freeze, according to the University of Florida. But they can tolerate a light frost if they have had a chance to adjust to cool temperatures.

Do geraniums like coffee grounds?

They prefer the coffee grounds. Just save a little of your leftover coffee grounds and sprinkle them onto the soil, then water your plant as normal. … Geraniums in particular just love coffee, and so do Peace Lily plants!

Why are my geraniums dying?

The most common problems encountered while growing geraniums are improper watering and bacterial or fungal disease. … Bacterial or fungal disease can stunt your geraniums growth, and will often result in wilting or discoloration of leaves, stems, or flowers.

Can you overwater geraniums?

Geraniums (Pelargonium hortorum) prefer moist soil, but can suffer from over-watering and wet conditions. Over-watered geraniums will rot in time, if you don’t correct the problem.

Are hardy geraniums invasive?

Although a native plant in our area, wild geranium is easily cultivated and can be grown as an ornamental plant in gardens. … Plants flower more prolifically the more sun they receive. This species will naturalize under optimum growing situations but is never invasive.