DescriptionPlanting InstructionsAfter CareDelivery & Guarantee
Italian Alder Trees - Large Standards - Delivered by Mail Order from the Nursery with a 1 Year Guarantee
Italian Alder trees, Alnus cordata, are fast growing and have a naturally neat canopy, shaped like a thin tear-drop, of lush, shiny green leaves that are among the last to fall in Autumn. It is suitable for any soil and it makes a good windbreak tree for exposed sites, including on the coast. It needs plenty of sun, but it is hardy enough to grow across Britain.
Italian Alder will usually grow to 20-25 metres tall: in ideal situations, with full sun and rich clay soil, it can grow to 30 metres.
Standard trees are the largest size that we deliver; you can also buy younger Italian Alder saplings here.
How Standard Trees are Measured:
All the plants in the ornamental trees section are graded as standards, which means that they are measured by their girth in centimetres 1 metre above ground level (basically, their trunk's waist measurement). They aren't measured by their height, which will vary. So, a 6/8 standard has a trunk with a circumference of 6-8 centimetres and an 8/10 standard has a trunk 8-10 centimetres around.
This measurement makes no difference to the tree's final height.
Standard trees are 2 - 3.5 metres tall (on average) when they arrive; they are the most mature trees that you can buy from us. We cannot tell you precisely how tall your trees will be before we deliver them.
General description of Italian Alder trees:
Italian Alder trees are very vigorous in good conditions and new trees can grow up to a metre a year once they have established. They are tidy trees with a fairly narrow canopy, tapering to a point at the top, and their glossy leaves look lovely in the sun. In early spring they produce round female cones and long yellow male catkins, which provide pollen for bees to eat, although the wind does most of the pollination. They are superb windbreak trees that do not get blasted out of shape by constant wind.
Italian Alder is very tolerant of any soil: heavy, damp clay is best, but it will grow on dry, chalky terrain too. None of the Alders are very shade tolerant, but it is acceptable for young Alders to be planted in partial shade if they will grow up into full sun.
The Alder family are nitrogen fixing trees: they increase soil fertility by releasing water-soluble nitrogen based compounds from bacteria that live on their roots. This means that they are great for growing on really poor soil and can be interplanted with slower growing species to provide shelter & improve the soil for them. Their matted, fibrous roots are also very effective at holding loose or rocky soil together and helping to prevent erosion.
Note on Alder roots: Alder has invasive roots that can break old water pipes and damage the foundations of old buildings or walls. 30 metres away from vulnerable structures is a safe distance to plant Alder. New build, concrete foundations are not at risk.
History & uses of Alnus cordata
This tree was imported to Britain from Corsica and Italy in 1820.
Notes on planting Italian Alder trees:
Italian Alder trees will grow in any soil; they prefer a wet, rich soil near water, but they are also the best Alder for dry soil and the only Alder that does really well on shallow chalk. They need plenty of sun. They will tolerate very windy sites near the sea.
Your trees will not grow well is the site is shady.
Prepare your site before planting:
It is good to dig over the site where you plant a tree several months in advance. Kill the weeds first: for tough weeds like nettles, brambles and ground elder, you will usually need a glyphosate based weed-killer to get rid of them. When you dig the soil over, remove stones and other rubbish and mix in well rotted compost or manure down to the depth of about 2 spades.
Watch our video on how to plant a tree for full instructions.
Remember to water establishing trees during dry weather for at least a year after planting.
Tree Planting accessories:
Prepare your site for planting by killing the weeds and grass with Roundup weed killer.
You can buy a tree planting pack with a wooden stake & rubber tie to support the tree and a mulch mat with pegs to protect the soil around the base of your tree from weeds and drying out.
We suggest that you use mycorrhizal "friendly fungi" on the roots of all newly planted large trees: if your soil quality is poor, we strongly recommend it.
You can also improve your soil with bonemeal organic fertiliser and Growmore.
After you plant a tree, the most important thing to do is water it in dry weather. You will also need to weed around the plants. Watering should be thorough, so the ground is soaked. Let the soil almost dry out before watering again. Watering & weeding will be necessary for at least a year after planting.
If your trees do need pruning, it is ideal to do this in winter. Always hire a tree surgeon to remove large branches.
Special notes on caring for Italian Alder trees:
Italian Alder is a very tough tree that shouldn't need special attention once it has established.
Hygiene & Diseases:
Dead, damaged or diseased wood can be pruned off as soon as it appears.
Disinfect your pruning tools between every cut if there is any sign of disease.
Burn or dispose of any diseased material, do not compost it.
Read our full terms and conditions here.
Delivery: Any order with a standard sized tree in it has a basic delivery charge of £12.55 + vat.
Because couriers sometimes experience delays, we schedule delivery by week, not by day. Therefore, please plan your planting day for the weekend at the end of the delivery week or for the week following delivery, at the earliest.
You can choose the delivery week that suits you during checkout and we will email you the day before your plants are due to arrive.
Payment: We do not charge your card until we begin to prepare your order for packing.
Guarantee: If any plants die within a year, we will replace them. We only ask that you follow our planting & growing instructions and sent us clear photographs of the dead plants in situ, so we can help to make sure that the replacement plants succeed. You only pay for the delivery of the replacements.
Please note that our guarantee is void if there is a hosepipe ban in your area: your newly planted trees must be watered in dry weather while they are establishing. The best way to water is very thoroughly every few days: at least once a week if there is no heavy rain.
Our nursery has been supplying large ornamental trees to gardeners since 1949. Our website started in 2003, so we do understand the concerns that you may have about buying specimen trees online. If any of your plants are damaged when they arrive or if you are otherwise not satisfied with your order after you inspect it, please repackage it and contact us. We will give you a refund or send replacements and send a courier to come and collect the unwanted plants.
Your 12 Month Guarantee
If any plants die within a year, we replace them if you have followed our instructions. You only pay for
the delivery of the replacements.
Place an order for £250 excluding VAT and delivery and we deliver it for FREE!
Bare-root Plants are only delivered in the winter season, from November to March. Pot grown plants can be delivered all year round
Advantages of Bare-root plants:
You pay less for the same size plants.
You can carry and plan them easily.
You only plant them in winter, so they need less maintenance after
planting. The rain will water them for their first few months.
You get the biggest selection: Many trees are not sold pot-grown.
They are "asleep" in winter - this is the best time to transplant any tree.
They use fewer fertilisers & fungicides, less water and fuel in their production & delivery.
Advantages of Pot Grown plants:
Pot grown plants can be delivered & planted all year round.
Plants with tender roots & larger specimens must be delivered in pots.
Plants in pots can be kept for months longer if there is a delay in planting.
Our Advice to You:
If you can't wait to get planting, order Pot grown plants now.
If you are not in a hurry, order bare-root plants for delivery this winter. Simply add them to your basket and choose a winter delivery date that suits you during checkout.
This will reserve your plants before they sell out.
We won't charge you until the day before delivery, so cancelling your order is always easy.
If you are only ordering chemicals and other small items, delivery is £3.50
Our delivery charge for most bareroot plants is £9.49 + VAT.
If your order contains any standard sized trees, fruit trees or pot-grown plants, then the delivery charge is £12.55 + VAT in TOTAL.
If you live in the Scottish Highlands or the Isle of Wight, there will be an extra charge of £15 + VAT on top of the appropriate basic charge, as listed above.
If your order is over £250 exc. VAT, there will be no delivery charge.
If you are uncertain, just add items to your basket which will calculate the basic shipping charge for you.
