How do you grow a horse chestnut from a conker? - Project Sports
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How do you grow a horse chestnut from a conker?

8 min read

Asked by: Krystal Gonzalez

How to grow your Horse Chestnut trees

  1. Place your conkers in a container of water, discard the ones that float these have dried out.
  2. Using only the conkers that sink, plant them about 2cm deep individually in pots of soil/compost, between now and the end of November.
  3. Water well and place in a sheltered spot outside.

Can I grow a horse chestnut tree from a conker?

The horse chestnut can also be grown from seeds or conkers. The spiny seedpods drop from the tree in fall when ripened and crack open to reveal the horse chestnut seeds inside. Horse chestnut seeds should be planted as soon as possible. Do not allow them to dry out.

How do you germinate horse chestnuts?

Chill them over winter in the fridge or in an unheated area, such as an outdoor building. These seeds need at least two to three months of chilling time, called cold stratification, to germinate. When you’re ready to plant, dunk the conkers into a glass of water. Those that float are not viable and should be discarded.

Can I grow a chestnut tree from a chestnut?

Direct seeding is the easiest way to do chestnut tree propagation. Up to 90% of the seeds germinate. Use healthy nuts from a mature tree over 10 years old and plant them in the spring in a sunny site with well-draining soil.

How long does a conker take to germinate?

The conker seeds take about 2-3 months of cold weather to germinate. After that they will begin to sprout. Don’t change anything about the water or light conditions while you wait for the seeds to sprout.

What happens if I plant a conker?

Plant your conkers and grow new horse chestnut trees! Fill a deep gratnells tray half full with water and pop your conkers in. The ones that float can be discarded (or used for the other activities below), they have dried out and will not grow into new tree if planted.

How do you start a chestnut tree?


So I will use a well draining soil. And some added perlite and a small plastic pot. I will plant the seed on its side and because the wood already chose a direction of growth depending.

How long does it take for a horse chestnut tree to grow?

Chestnut trees thrive best in temperate climates, and some varieties may take up to 12 years before producing fruit.

How long does it take to grow a chestnut tree?

Chestnuts can be a very profitable crop. They begin to bear in only 3-5 years, and by 10 years can produce as much as 10-20 lbs/tree. At maturity (15-20 years) they can produce as much as 50-100 lbs/tree or up to 2,000-3,000 lbs/acre each year.

What is the difference between horse chestnuts and chestnuts?

The toxic, inedible horse chestnuts have a fleshy, bumpy husk with a wart-covered appearance. Both horse chestnut and edible chestnuts produce a brown nut, but edible chestnuts always have a tassel or point on the nut. The toxic horse chestnut is rounded and smooth with no point or tassel.

Are chestnuts the same as conkers?

Both come in green shells, but horse chestnut cases have short, stumpy spikes all over. Inside, the conkers are round and glossy. Sweet chestnut cases have lots of fine spikes, giving them the appearance of small green hedgehogs. Each case contains two or three nuts and, unlike conkers, sweet chestnuts are edible.

How do you open a conker?

The best conkers to play with are uncracked, firm and symmetrical. Make a hole through the middle of of your chosen conker. Thread a strong piece of string, about 25cm long, through the hole and tie a knot at one end so that it doesn’t pull through.

Can you keep a horse chestnut tree small?

You do need a lot of space to grow your own conkers: a mature horse chestnut (Aesculus hippocastanum) is a magnificent tree, with a height and spread of around 25m, so not one for a small garden (or even a medium-sized one).

How long does it take for a horse chestnut tree to grow?

Chestnut trees thrive best in temperate climates, and some varieties may take up to 12 years before producing fruit.

What is the difference between horse chestnuts and chestnuts?

The toxic, inedible horse chestnuts have a fleshy, bumpy husk with a wart-covered appearance. Both horse chestnut and edible chestnuts produce a brown nut, but edible chestnuts always have a tassel or point on the nut. The toxic horse chestnut is rounded and smooth with no point or tassel.

How long does it take for a chestnut tree to bear fruit?

3-5 years

They begin to bear in only 3-5 years, and by 10 years can produce as much as 10-20 lbs/tree. At maturity (15-20 years) they can produce as much as 50-100 lbs/tree or up to 2,000-3,000 lbs/acre each year. (Trees planted in colder regions such as USDA zone 5, may bear between 5 and 7 years of age.)

How do you make a horse chestnut bonsai?

Collect some undamaged chestnut conkers and plant them deep enough in a seed box to be completely covered by soil. Keep the soil moist and cover the box with plastic to retain moisture. Place the box in a sheltered area outside. Continue to keep the soil moist as needed.

How do you make a conker tree?

Place your conkers in a container of water, discard the ones that float these have dried out. Using only the conkers that sink, plant them about 2cm deep individually in pots of soil/compost, between now and the end of November. Water well and place in a sheltered spot outside.

Can you keep a horse chestnut tree small?

You do need a lot of space to grow your own conkers: a mature horse chestnut (Aesculus hippocastanum) is a magnificent tree, with a height and spread of around 25m, so not one for a small garden (or even a medium-sized one).

Can horse chestnut be coppiced?

Hazel, Hornbeam, Beech, Ash, Oak, Chestnut, Alder and Willow can be coppiced, while Beech, Oak, Maple, Black Locust or False Acacia, Hornbeam, Lime, Plane, Horse Chestnut, Mulberry, Redbud and Willow, plus a few conifers, such as yews can be pollarded.

Can you Pollard a horse chestnut?

Horse chestnut (Aesculus × hippocastanum) needs to be cut to a higher point in the tree, rather than to the original pollards. This avoids exposing large amounts of old wood, but creates a second set of pollard heads.

When should I prune my horse chestnut?

These trees should be pruned in fall after the leaves have dropped or in early spring, before the sap starts to flow (March), this may reduce flowers. If needed, a few small branches can be removed in summer after the leaves have reached full size.

Can you prune a horse chestnut?

There are good times and bad times to prune this particular tree. A general rule of thumb is to avoid pruning horse chestnut trees in early spring to mid-summer and late summer to mid-winter. Better times to prune this specimen are from mid-winter to early spring or mid-spring to mid-summer.

Can I keep chestnut tree small?

Chestnut trees, like many other fruiting trees, can be kept much lower than their natural height through annual pruning. Also, like other fruiting trees, chestnut trees will produce more nuts per tree or per acre if the trees are pruned in ways that maximize nut production.

How do you take care of a chestnut tree?

Chestnuts need to be planted in a sunny spot in sandy, loamy, deep soil with good drainage. When planted in soil with the proper conditions, these trees tend to be very tough and drought tolerant once they become established.

Can you coppice chestnut?

Chestnut coppice is often grown with Oak standards dotted throughout the chestnut crop which is very efficient – as chestnut can grow beneath them and this creates a woodland where chestnut can be taken every 15 years and oak every 100 years. So, short term need and long term capital growth are both catered for.

Can sweet chestnut be coppiced?

It is a highly sustainable method of producing rapidly growing useful wood without the need to replant. Although most native hardwood trees in Britain such as oak, ash, willow and birch will coppice freely, those coppiced in the High Weald are Hornbeam, Hazel and Sweet Chestnut.

How fast does sweet chestnut grow?

Sweet chestnut is a fast-growing broadleaf that coppices very well with short rotation times – typically 12-16 years. Production stands are traditionally managed in this way to produce a diverse range of woodland products and, unlike most broadleaved species, can be used profitably from a very early age.

Why are Woods coppiced?

Trees naturally retrench (shedding their branches to extend their lifespan) and coppicing can be an excellent way of simulating this to increase the life of the tree. It also increases woodland biodiversity, as greater amounts of light can reach the ground, allowing other species to grow there.

How many trees make a copse?

30 trees

Each pack contains 30 trees, including silver birch, rowan and Hazel. Silver birch is a striking medium-sized tree with pale bark and golden catkins which flower from April to May.

What does coppicing look like?

Coppiced stems are characteristically curved at the base. This curve occurs as the competing stems grow out from the stool in the early stages of the cycle, then up toward the sky as the canopy closes. The curve may allow the identification of coppice timber in archaeological sites.