Large-flowered cactus

Large-flowered cactus Selenicereus grandiflorus

What is the plant

Selenicereus grandiflorus is an impressive cactus plant, which does not require much care. It`s also known as Night-blooming Cereus and Queen of the Night. The plant is native to Eastern Mexico and the Caribbean.

Night-blooming cereus do well as indoor potted plants, though keep in mind that they can grow to be 10 feet tall. The funnel-shaped flowers can reach a length of up to 30 centimeters, but the flowering time is short-lived. Shortly before dawn, older specimens of the "Queen of the Night" open their flowers, but just a few hours later, they wither again. This event takes place only once a year and fascinates hobby gardeners and visitors of botanical gardens alike.

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Humidity

Dry

Lightening

Full Sun

Temperature

12°C - 15°C

Hardiness zone

9a - 11b

Difficulty

Medium

Water
During the blooming season, check for dry soil and water accordingly. Don't overdo it, though, because night-blooming cereus don't respond well to soggy soil.
Sunlight
Despite the reputation of cactuses as tough desert plants, night-blooming cereus can get sunburned. If you grow yours outdoors, make sure to plant it in a spot where intense exposure to sunlight and heat is unlikely. Established night-blooming cereus plants will tolerate some shade, but they don't require it.
Fertilizer
Use a special cactus fertilizer to provide Selenicereus with all the minerals needed. Fertilization is also only in the main vegetation period, which is between March and the end of September. Older plants needed more nutrients than younger ones.

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Soil
The plants like well-draining, sandy soil best with compost added for nutrients. If you are potting night-blooming cereus, use a combination of half sand and half potting mix.
Temperature
Like all cactus species Selenicereus grandiflorus prefers a high humidity and temperatures, which should be between 24 - 28° C. As soon as the temperatures in the field rise permanently above 20° C, you can relocate the exotic greenhouse in the summer months in the garden.
Popularity
22 people already have this plant 14 people have added this plant to their wishlists