Jupiter's-beard

Jupiter's-beard Care

Centranthus Ruber

What is the plant

Cetranthus Ruber (also commonly known as Jupiter's-beard) is a hardy perennial that adds a wonderful splash of vivid color in any garden. The cut flowers also look great in a bouquet.Easy to grow and low-maintenance, it produces an abundance of star-shaped flowers that have an impressively long bloom time. It's a great choice for cottage gardens as it'll grow in the cracks of chalky walls and pavers. It also works well in wildflower areas.Red Valerian has a strong, sweet fragrance, and pollinators can't resist this flower. Plus, with its deep roots, it works well on slopes to help prevent soil erosion.

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Humidity

Dry

Lighting

Part Sun

Temperature

min -15°C

Hardiness zone

5 - 8

Difficulty

Medium

Hibernation

Cold Period

How to Care for the Plant

Water
A drought-tolerant plant, Red Valerian doesn't need a lot of water. Young seedlings will need light watering, but established plants can cope fine with natural rainfall alone. This plant doesn't tolerate over-watering well. The only time you'll need to water a mature specimen is if there has been a prolonged very hot spell and the soil is excessively dry.
Pruning
Red Valerian self-seeds readily, and cutting it back drastically after the bloom period can help to control any unwanted spread. It also means the bloom will be more abundant the following year. Often blooming from early summer all the way through to September, don't be tempted to cut back the flowers too early.
Fertilizer
As you would expect with a plant that copes well in infertile soils, you won't need to fertilize your Centranthus Ruber.

Disease diagnosis

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Sunlight
Red Valerian does best in a full sun position. It can tolerate partial shade too, but it may not produce quite as impressive a bloom through the summer.
Soil
If you're looking for a plant that will thrive despite poor soil conditions, Centranthus Ruber would be a good choice. It copes with dry, infertile soils incredibly well and will flourish in a compact form in areas where many other plants die off.It does prefer a slightly alkaline soil type. Limestone can be added to create better growth conditions if your soil is more on the acidic side. If the soil you're planting in is a richer variety, you may find that the tall Red Valerian will benefit from staking.
Temperature
Overly hot and humid summers are one thing Centranthus Ruber isn't a fan of.