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Laburnocytisus 'Adamii' Tree

Broom Laburnum Trees
  • From £40 (inc VAT)

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
  • Flowers: A mixture of brightly coloured flowers appearing in spring
  • Foliage: Dark-green, Laburnum like leaves and clusters of Broom like shoots
  • Soil: Prefers moist, well-drained soils, but tolerates all types

Planting Advice for Laburnocytisus Adamii trees

Our pot grown Adam's Golden Rain trees can be planted at any time of the year. Firstly, remove all weeds and grass within a metre of your desired planting hole. Dig a hole as deep as your root mass and approximately 2x as wide. To help your tree establish more effectively, especially if you have poor soil, sprinkle root grow in the hole.

Gently loosen the tree roots and place into the planting hole. 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. We recommend planting Broom Laburnum trees with a stake and tie and if required, a rabbit guard. The planting guide has more detailed advice.

Aftercare Advice for Laburnocytisus Adamii trees

If you’re planting in spring or summer, water well and regularly for the first few months. Make sure to keep an eye on young Broom Laburnum trees 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 stock a range of irrigation kits, suitable for a variety of planting schemes.

Once planted, keep the area free of competing weeds and grass for the first couple of growing seasons.

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 Costs

*Free delivery promotion excludes mature trees, extra large kits and delivery to Highlands or Islands. Discount applies at checkout.

  Small/medium trees & shrubs

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All other mature trees
Mainland UK ex. Scottish Highlands £8 for any quantity £35 for 1-4 trees From £55 for any quantity
Scottish Highlands & the Islands From £30    
Outside Mainland UK Currently we are unable to deliver outside of Mainland UK

Delivery Times

Next Day Despatch
We will always try to get your plants to you as quickly as possible.  For many of our trees and plants, if you order today we will despatch your order within 24 hours.  We are constantly adding to our range of next day plants, and we do not add a surcharge for this service. Click here to see our next day delivery plants.

Standard Delivery
We have one of the widest range of trees in the UK, and for those plants which we cannot despatch next day we will normally despatch within 4 weeks. The despatch time for different products will be confirmed when products are added to your shopping basket

We will only want to deliver your orders when they are perfect for planting! Depending on the season and how well the plants are growing, we will give our best estimates of the despatch dates for pre-orders.  These dates may vary and by species and while we will always try to deliver within these timeframes if the expected despatch does change then we will notify you by email.

Special Orders
Orders containing pleached or mature trees (trees over 2.5m in height) are delivered within 3 weeks. They require specialist delivery and are grouped geographically. Any customers ordering pleached or mature trees will be contacted and notified of their delivery date.

If your trees are required by a specific date, please let us know as soon as possible; while we can’t offer any guarantees we will always do our best to accommodate you. You can leave instructions in the notes field on the Delivery Page of the Checkout or send us an email at [email protected].

Please note that orders are shipped once all the trees in the order are ready.

Collections are by appointment only at our West Yorkshire-based nursery. If you would like to place an order for collection, please get in touch before placing your order. You will not be charged a delivery cost for a collection and any delivery cost that has been applied will be refunded.

The product table at the bottom of the page gives the forms and sizes available for this variety. Please note, photos are a guideline as all plants are unique. *Pot sizes may vary. Below are definitions of terms:

Supplied Size: Height measured from the top of the pot.

Single Stem tree: Classic tree with one trunk, pruned for a beautiful, natural shape.

Top grafted tree: A height next to this form refers to the length of clear stem, which will not grow taller. Only the head of branches will develop. Ideal for small spaces.

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

Multi Stem tree: Two or more stems arising from or near ground level, growing from one root system.

Bush: A plant with many stems low down, rather than one clear stem.

Clump: Several plants in one pot that give the appearance of a bushy multi stem tree.

Climber: Naturally climbing plant. Usually delivered running up a 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 soil to the lowest branches of the crown). Standards are available in different forms relating to their girth size (circumference of the stem measured 1m above soil level), not height.


Plant Specification Form Supplied Size Root type Price Quantity Qty
Laburnocytisus 'Adamii' Form: Bush Supplied Size: 90-120cm Root type: 5L pot* Laburnocytisus 'Adamii' Price £40 (inc VAT)
Bush 90-120cm 5L pot* £40 (inc VAT)
Laburnocytisus 'Adamii' Form: Tree Top grafted at 70cm Supplied Size: 80-100cm Root type: 5L pot* Laburnocytisus 'Adamii' Price £55 (inc VAT)
Tree Top grafted at 70cm 80-100cm 5L pot* £55 (inc VAT)
Ready by: 29th Feb 2024
Ready by: 29th Feb 2024
Total: £0 (VAT Free)