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Wisteria sinensis

Wisteria

Common names: Chinese Wisteria, Blue Wisteria

Wisteria

This description was machine-translated.

Description

The blue wisteria transforms every house wall into a waterfall of blue‑violet flower clusters in May, emitting a delightful fragrance. As a vigorous climber, it can cover entire pergolas in a few years and requires a massive, well‑anchored support structure. All plant parts, especially the seeds, are toxic.

Care instructions

Place the wisteria in a sunny, warm spot with nutrient‑rich soil and a sturdy metal or thick post climbing aid. Prune consistently twice a year: in late July (week 30) cut the long summer shoots to about five buds, and in February (week 7) again to two or three buds, this forces flowering rather than foliage. Water regularly in the first years until it is well established.

Soil & site

Soil pH

4.0pH 5.5–78.0

Soil type

loamy, humus-rich, well-drained, lime-avoiding

LightFull sun
HardinessHardy
Water needMedium

Feeding

Light feeder

Companion planting

Good neighbors

cabbage family (Brassicaceae)

particularly well established

Leguminous plants collect nitrogen in the soil, from which Brassicaceae benefit as heavy feeders.

For example White cabbageKohlrabiRadishKalebroccolicauliflower and 34 more species in the catalogue

Source: classic companion planting (DACH-Gartenpraxis)

carrot family (Apiaceae)

Peas and beans provide carrot and celery with nitrogen and grow as shallow-rooted plants without competition next to each other.

For example Carrotcelery rootDillParsleyCarrot fennelCoriander and 19 more species in the catalogue

Source: classic companion planting (DACH-Gartenpraxis)

gourd family (Cucurbitaceae)

Beans and peas enrich the soil with nitrogen, which cucurbits, as heavy feeders, can make good use of.

For example CucumberPumpkinCourgettepickling cucumberButternutHokkaido and 14 more species in the catalogue

Source: classic companion planting (DACH-Gartenpraxis)

Rather not

amaryllis family (Amaryllidaceae)

particularly well established

Allium species inhibit the nitrogen‑fixing rhizobia of legumes through their root exudates, which slows their growth.

For example GarlicOnionLeekChivesDaffodilRocambole and 12 more species in the catalogue

Source: basic crop‑rotation rule

Companion planting is partly traditional gardening lore. Where the reason is known, it is given.

Some of these explanations were machine-translated.

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