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Straight from the grower

We have been growing our plants with great passion since 1976. We are therefore proud that the third generation is now at the helm of our family business. All plants and trees we supply come either directly from our own nursery or from fellow nurseries that work in partnership with Heijnen. Through our close cooperation with various skilled growers, plant importers and other professionals, we guarantee products that are as fresh and high quality as possible. What this means for you is healthy and beautiful plants and trees straight from the nursery at competitive prices.

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9.3/10

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Hedge plants
Garden plants
Mediterranean plants
Terrace and balcony plants
Planting & care
Shrubs

Currently unable to ship orders to the United Kingdom

Updated on 7 April 2026

We regret to inform you that we are currently unable to ship orders to the United Kingdom. We apologise for the inconvenience.

Home > Types > Clematis

Clematis

Garden plants
Terrace and balcony plants

Clematis

Garden plants
Terrace and balcony plants

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Plant height incl. pot (cm)

150-175 2
70 43
80-100 14

Plant height incl. pot (cm)

For this product, the stated height is the height upon delivery, including the pot. The height measurement of the plant takes priority and not the pot size.

Mature height (cm)

200 2
250 37
300 26
400 4
500 9
600 17
700 3
800 9

Mature height (cm)

The mature height of a plant is the height the plant reaches when it is mature. It is also called the maximum height. This height is given in centimetres and refers to the height of the visible part of the plant above the ground. In other words, the trunk/stem, branches and leaves. The root ball that is (normally) below the ground is excluded from this measurement. Location and soil type also affect mature plant height.

Positioning

Semi-shade 107
Sun 107

Positioning

By positioning, we mean the number of hours of sunlight at the spot where the plants are to be placed. There are three categories for this, namely:

Sun - more than 4 hours of sun per day
Partial shade - up to 4 hours of sun per day
Shade - less than 2 hours of sun per day

The type of soil is of minor importance in most cases, unless otherwise stated for the product.

Application

Balkon 3
Border 32
Fence 102
Kleine tuin 11
Pergola 107
Pot 21
Stadstuin 9
Terras 3
Trellis 107
Wall 107

Application

By 'application' we mean how the planting can be used in the garden. In this, we distinguish between the possible applications below:

Border: also called a bed, this is a strip of ground (part of the garden) intended for planting. Due to the construction of paths, terraces and lawn, a garden often consists of multiple borders:

Group planting: plants that are at their best when placed together in small or large groups and can be easily combined with other garden plants if desired.
Edge planting: mostly low-growing plants that are suitable for use at the edge of borders and so provide a nice progression from low to tall plants.
Underplanting: mostly shade-loving plants that can be planted under large shrubs and trees.

Solitary: a plant (usually a larger shrub) that does best when planted alone and not with several of the same variety together. A solitary plant is a real eye-catcher and also provides 'body' to the garden. You place a solitary plant in a border in combination with (relatively) low-growing plants, for example.

Pot: a plant that grows well in a pot.

Planter: plants that are perfect for use in planters.

Hedge: plants that grow particularly tall and branch nicely through pruning. This makes them ideal for use as a natural screen (hedge). We offer hedge plants for both low and tall hedges.

Pergola: plants that are ideal for planting and growing against a pergola.

Fence: plants that can be grown against a fence or placed in front of a fence.

Wall: plants that can be grown against a wall or placed in front of a wall.

Trellis: plants that can be grown in a trellis to create more greenery and privacy in the garden.

Slope: plants that are ideal for planting on a slope.

Flower colour

Blue 17
Pink 43
Purple 20
Red 10
White 38
Yellow 4

Flower colour

The flower colour(s) of the plant.

Flowering month

March 6
April 6
May 58
June 96
July 50
August 60
September 65

Flowering month

The month(s) in which the plant flowers under normal (weather) conditions.

Price

Winter hardiness

-12,2°C / -6,7°C, USDA zone 7 2
-17,8°C / -12,2°C, USDA zone 7 5
-23,3°C / -17,8°C, USDA zone 6 24
-28,9°C / -23,3°C, USDA zone 4-9 3
-28,9°C / -23,3°C, USDA zone 5 28
-29 °C / -12,2 °C, USDA zone 4-8 3
-29,9°C / -23,3°C, USDA zone 5 2
-29°C / -23°C, USDA zone 4 2
-29°C / -23°C, USDA zone 4-9 2
-29°C / -23°C, USDA zone 5 5
-29°C tot -23°C, USDA zone 5 2
-34,4°C / -28,9°C, USDA zone 4 16
-34,4°C / -28,9°C, USDA zone 4-5 2
-34,4°C / -28,9°C, USDA zone 4-9 8
-34,4°C tot -23,3°C, USDA zone 4-9 2

Winter hardiness

A winter hardiness zone, also known as a USDA zone, is a classification system used to categorise climatic conditions based on winter temperatures (susceptibility to frost). These zones range from 1a (coldest) to 13b (mildest). These winter hardiness zones can help you find the right plants and trees that are sufficiently hardy for your region.

The winter temperatures the plant or tree can withstand is noted with each product. See the overview of winter hardiness zones here:

USDA Hardness zones in °C

Evergreen plants

No 101
Yes 6

Evergreen plants

Also known as leaf-retaining plants. These are plants that retain their leaves regardless of the season and continue to provide colour in the garden, even in winter.

Fragrant plants

No 67
Yes 40

Fragrant plants

This refers to whether the plant gives off a certain scent. In most cases, the scent of a fragrant plant comes from the leaves and/or flowers.

Fruit-bearing plants

No 105
Yes 2

Fruit-bearing plants

Plants that form fruits or berries after flowering.

Growth rate (cm per year)

20-40 91
40-60 5
40-80 11

Growth rate (cm per year)

The number of centimetres the plant grows per year.

Soil type

Goede tuingrond 23
Humus-rich soil 8
Moist soil 10
Vochthoudende en humusrijke grond 63
Voedselrijke grond 16

Mature height (m)

1-3 2
2-3 60
2-4 2
3-4 5
3-6 3
4-6 15
6-10 3
6-8 17

Mature width (m)

0,5-1 24
1-2 39
1-3 29
2-3 13
2-4 2

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Customer service

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0203 455 22 48

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Range

Hedge plants
- Yew
- Thuja
- Laurel
- Photinia
- Cypress
- Holly
- Japanese holly
- Beech
- Bamboo
- Ivy
- Privet
- Elaeagnus
- Boxwood
- Woodland Plants
Garden plants
Mediterranean plants
Terrace and balcony plants
Shrubs

Questions? Contact us

0203 455 22 48

Send an e-mail
info@heijnen-plants.co.uk

Contact

9.3/10

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