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Laburnocytisus 'Adamii' Tree

Broom Laburnum Trees
  • £49.99 (ex VAT)
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This small tree is a unique hybrid between Laburnum and Purple Broom. Laburnocytisus Adamii trees display a variety of fragrant, pea-like, yellow flowers (Laburnum), purple flowers (Purple Broom) and sometimes a mixture of both, resulting in attractive, coppery pink flowers, all appearing in spring. The foliage is mostly Laburnum-like (dark-green in spring and summer) but you may also find clusters of broom-like shoots.

Laburnocytisus Adamii has an unusual origin - at the Adam nurseries near Paris in 1825, a nurseryman was grafting Purple Broom after Laburnum and the accidental grafting resulted in this remarkable tree. Quite rare but easy to keep, Laburnocytisis is a stunning addition to any garden and is suited to a sheltered position with moist, well-drained soil in full sun. Broom Laburnum will grow to an eventual height and spread of 4 x 2.5m in 20 years. This unusual tree is a real conversation starter and will ensure you have the most original garden on the street!

Note: every part of this tree is toxic to humans and animals when ingested, especially the seed pods.

AKA +Laburnocytisus 'Adamii' Tree, Broom Laburnum, Adam's Laburnum, Adam's Golden Rain Tree

  • Common name: Broom Laburnum
  • Height and spread in 20 years: 4 x 2.5 metres
  • Seasons of interest: Spring, Summer
  • Foliage: Dark-green, Laburnum like leaves and clusters of Broom like shoots in spring and summer with a mixture of brightly coloured flowers appearing in spring
  • Soil: Prefers moist, well-drained soils, but tolerates all types

Planting Advice for Laburnocytisus Adamii trees

When planting Broom Laburnum trees, it is important to prepare the planting area well. Pot grown Laburnocytisus Adamii trees can be planted at any time of the year. You will need to carry out the following to prepare your planting site.

Firstly, remove all weeds and grass within a metre of your desired planting hole then dig a hole as deep as your root mass and approximately 2x as wide. We recommend digging a square hole as this encourages the roots to grow straight as opposed to around, inside the hole. To help your tree establish more effectively, we advise applying root grow (sprinkle in the hole for pot grown trees), especially if you have poor soil. Gently loosen the roots and place into the planting hole.

If your soil is poor, mix 50% of the original soil with 50% high quality compost, fill in the hole and firm around gently. Make sure not to bank the soil up around the collar of the tree as this can cause problems.

We recommend planting any ornamental tree with a stake and tie, to see how to use a tree stake and tie, watch our informational how to videos.

Aftercare Advice for Laburnocytisus Adamii trees

If you’re planting in dry weather, water well and regularly for the first few months. The same goes for spring and summer planting. Make sure to keep an eye on your young tree and increase watering if there are extended periods of hot or dry weather. If you’re planting in autumn, you may only need to water your tree a little. We also stock a range of irrigation kits, suitable for a variety of planting schemes.


Once planted, it is important to keep the area free of competing weeds and grass for the first couple of growing seasons. Using a glyphosate based weed killer or installing mulch matting and bark chips will aid in this. Do not simply mow the grass around the area as this will only encourage it to grow more vigorously. If you know your area is prone to rabbits, we would advise using a rabbit guard.

Pruning Advice for Adam's Laburnum trees

Adam's Golden Rain trees do not require regular pruning. If you wish to tidy up your Laburnocytisus Adamii tree, do this during the dormant season. Focus on removing any damaged, diseased or overcrowded branches. If you require a clear trunk, remove any side shoots to help raise the crown.

Delivery Timescales

Most deliveries are made within a week of placing the order. All trees are carefully packed by our experienced team, with many despatched to our tried and tested couriers within 24 hours (please allow up to 10 days). There's no need to be in to receive your trees and you can give instructions on where to leave them via the checkout or email sales@ornamental-trees.co.uk.

There is a slightly longer timescale on pleached and mature trees (trees over 2.5m in height) because we group orders together by geographic area for specialist delivery - we will contact these customers to notify them of the delivery date and whether the delivery driver needs assistance.

Gift trees and those required for arrival by a specific date can be accommodated with pleasure, although we accept no legal responsibility for late deliveries.

Our nursery is a busy despatch centre, so please make an appointment to collect or view trees.  For collections, despatch charges will be refunded.

Delivery Costs

1 small tree (most trees with a height under 1.5 metres) : £7.95 + vat

1 medium tree (most trees 1.5-2 metres in height) or 2-4 small trees: £9.95 + vat

2+ medium trees or 5+ small trees: £12.95 + vat

1-4 large trees (trees too large to fit in a box): £19.95 + vat

Mature, pleached or 5+ large trees: Cost is calculated in the checkout process and varies by postcode. You can buy additional trees with no increase in delivery cost.

The above prices exclude the Scottish Highlands, where delivery starts from £24.95 + vat and is calculated in the checkout process.

Northern Ireland, Channel Islands and Non Mainland UK

Our courier charges are not viable for just one or two trees, but if you have a larger requirement then please do speak to us to see if we can find a solution.

Form refers to the shape of the tree defined by the pruning it has received. The photos within the product tables can help you visualise it - click on the photo to enlarge it. For more information, see our Tree Forms Guide or phone our team.

Pruned and shaped: A tree that has had pruning to help create a beautiful overall shape, with the pruning being tailored to the variety. It is our most popular form.

Top grafted: A top grafted tree has a height noted next to the form (e.g. 'Top grafted at 45cm'), which refer to the clear stem height. This bare stem will not grow taller, only the head of branches will develop. Top grafted trees do not require complicated pruning and are ideal for small gardens or patios.

Multi Stem: A multi stem tree is has two or more stems arising from or near ground level, growing from one root system. Take care to buy a true multi-stem like all ours and not those that are 3 saplings in a pot to cheaply imitate them.

Feathered: A feathered tree has branches from the bottom of the trunk all the way up. These branches can be removed if a clear stem is required.

Bush: On our website a bush means a plant with many stems low down, rather than one singular clear stem.

Climber: A plant that is a natural climber and will be delivered usually running up a bamboo cane, ready to position in the garden.

Standard Tree: A more mature tree with an upright clear stem of approximately 1.8m-2.0m (measured from the ground to the lowest branch), which supports a branched crown. Standards are available in different forms relating to their girth size (the circumference of the stem measured 1m above ground), not height.

Standard  either 6-10cm or 8-10cm girth, approximately 2.5-3.0m in height
Premium Standard  10-12cm girth, approximately 3.0-3.5m in height
Heavy Standard  12-14cm girth, approximately 3.5-4.5m in height
Extra Heavy Standard 14-16cm girth approximately 4.0-6m in height

Plant Specification Form Supplied Size Root typePrice Quantity Qty
Laburnocytisus 'Adamii' Tree Form: Pruned & Shaped Tree Supplied Size: 150-200cm Root type: 10L pot Laburnocytisus 'Adamii' Tree Price £49.99 (ex VAT)
Pruned & Shaped Tree 150-200cm 10L pot £49.99 (ex VAT)
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Total: £0.00 (VAT Free)
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