Popular for its double flowers, Wisteria floribunda Black Dragon (also known as Wisteria floribunda Violacea Plena) has violet purple, pea-like double flowers that hang on long racemes in summer. Pinnate foliage emerges bronze in spring, maturing to bright green then buttery yellow in autumn.
Ideal for growing against a wall or over a pergola, Wisteria Black Dragon can grow to 10 x 4 metres in 20 years and prefers moist but well drained soil and a position in full sun, though dappled shade will be tolerated. This Double Purple Wisteria plant is a beautiful variety, offering great seasonal interest.
All our Wisteria are grafted (rather than cuttings) so ought to flower earlier.
AKA Wisteria floribunda 'Kokuryu', Wisteria Yae-Kokuryu, Wisteria floribunda Violacea Plena, Double Purple Wisteria tree
Our pot grown Double Purple Wisteria can be planted at any time of the year. Start by removing all weeds and grass within a metre of your intended planting hole, which is ideally next to something the Wisteria can climb up. Dig a square 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, we advise sprinkling root grow in the hole.
Take the pot off and gently loosen the roots, then place into the planting hole. Mix 50% of the original soil with 50% compost, then fill in the hole and firm around gently, making sure not to bank the soil up around the collar. For further information, visit our help and advice section.
If you’re planting in spring, summer or dry weather, water well and regularly for the first few months. Make sure to keep an eye on young Double Purple Wisteria 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, it is important to keep the area free of competing weeds and grass for the first couple of growing seasons.
Wisteria plants have a reputation for being high maintenance when it comes to pruning, but this is not the case! When pruned at the correct times, Wisteria is easy to control and a pleasure for everybody.
Wisteria floribunda Violacea Plena needs to be pruned twice a year. - in July or August and then again in January or February. In summer, after flowering, prune the green, whippy shoots from the previous year’s growth. This encourages flower production and helps to control the overall size. In January, remove up to half of the previous year’s growth, leaving just a few buds on each stem.
1 small tree (most under 1.5 metres in height) : £9.95 + vat
1 medium tree (most 1.5-2 metres in height) or 2-4 small trees: £11.95 + vat
2+ medium trees or 5+ small trees: £14.95 + vat
1-4 trees delivered by pallet to kerbside (inc. mature Japanese Maples): 24.95 + vat
Mature trees, pleached trees or orders too large for pallet: Cost is calculated in the checkout process and varies by postcode not quantity. Starts from £48 + vat.
The above prices exclude the Scottish Highlands, where delivery starts from £24.95 + vat and is calculated in the checkout process. Please note, we are unable to deliver outside of Mainland UK.
All trees are carefully packed by our experienced team and most are delivered within 3 weeks of placing the order, unless stated otherwise. There's no need to be in to receive your order and you can request where it is left via the checkout.
For pleached and mature trees (trees over 2.5m in height), we group orders together by geographic area for specialist delivery - we will contact these customers about the delivery date.
Trees on pre-order are still growing and an estimate of when they will be ready is on the product/basket page. Orders are despatched once all trees are ready.
Gift trees and those required by a specific date can be accommodated with pleasure, although we accept no legal responsibility for late deliveries.
To collect trees, please book an appointment. Delivery charges 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 / Pruned and shaped: Classic shaped tree with a single stem that has had pruning to help create a beautiful, natural shape.
Top grafted: A height noted next to this form refers to the length of clear stem, which will not grow taller. Only the head of branches will develop. Top grafted trees do not require complicated pruning and are ideal for small spaces.
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.
Multi Stem: A multi stem tree has 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 can give the appearance of a multi stemmed and very bushy tree.
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 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:
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 type||Price||Quantity Qty|
|Climber||150-175cm||7.5L pot||£64.99 (ex VAT)|