Orchid Zygopetalum (Zygopetalum), often fragrant: culture, nourishment

Zygopetalum is a species of epiphytic or more commonly terrestrial orchid, native to the rainforests of South America and mainly in Brazil, where it grows at moderate altitudes, suitable for temperate to temperate climates. cool, however do not make it exceed 10°C.

Orchid Zygopetalum (Zygopetalum), often fragrant

On relatively short rhizomes, pseudobulbs conical, ovate, with 2 or 3 leaves, banded, green, wider or less depending on species, lanceolate, fleshy, tough.

At the pseudobulb base, when newly grown to about 10cm long, fast-growing flower stalks appear and bear clusters of 3 to 15 initial wax flowers. The bud ends its growth after flowering.

The petals and sepals of the flower are generally green and brown, the broad and dramatic labia are more or less ribbed white and are blue, lilac, purple or purple. These delicate flowers very often give off a pungent or floral fragrance.

  • Family: Orchidaceae
  • Type: perennial on land
  • Origin: Brazil
  • Color: brown, green and blue, lilac, purple or flower purple
  • Sow: no
  • Cut: no
  • Planting: spring
  • Flowering: from autumn to spring
  • Height: 0.30 to 1.5 m depending on species

Ideal soil and exposure for zygopetalum

Zygopetalum Planted in full sun throughout winter, then out of direct sunlight from April to September but under bright light. Media for orchids is often used for Phalaenopsis orchid and Cattleya perfectly fit Zygopetalum.

In terms of temperature, it is an orchid that appreciates a bit of freshness, i.e. 10 to 15°C in winter and a maximum of 25°C in summer, with an ideal temperature difference between day and night, on the order of 5 to 10°C. Preferably a well-ventilated environment.

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It can be taken outside in the summer when the temperature no longer drops below 10°C, but pay attention to the consequences of rains so as not to rot: if possible, it should be placed in partial shade. to avoid rain.

Date of division and planting of Zygopetalum

Propagation is done by division of clusters, or separation of young pseudobulbs, by spring repotting.

The roots are very strong and the growth is strong enough to show that the orchid has been cramped: then you should get a pot with a diameter of 3-4cm larger, as much as possible tangling the roots for repotting.

zygopetalum orchid maintenance and culture board

From April to September, count 2 waterings weekly, then lightly water just once a week in winter, if possible with lime-free temperate water. Prioritize watering by soaking the water, then drain the pot well. To increase humidity, the surface of the pot can be evaporated between waterings.

Zygopetalums need to be fertilized regularly.

After flowering, it is necessary to cut off the dried flower stalks.

Zygopetalum mackaii syn.  Zygopetalum mackayi

Diseases, pests and parasites of the orchid zygopetalum

Zygopetalums are not very sensitive to parasitic attack (mealybugs, red spider mites, aphids) but are especially afraid of standing water.

Location and favorable combination of orchid zygopetalum

This is an orchid that is grown as a houseplant.

Type Zygopetalum There are 15 to 20 species in total, but they have been crossed a lot between themselves as well as with other genera.

In what is an encyclopedia really, Great Larousse of 15,000 trees and flowers in the garden*, the absolute reference for amateur and professional gardeners, Zygopetalum , unsurprisingly, is the last plant species to appear in the botanical taxonomy from A to Z! Among the species described as the most common are Zygopetalum mackaii syn. Zygopetalum mackayiThe largest type with flower stems can reach 1.5m, flowers have dark lilac veins, giving off a scent like hyacinths.

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* Larousse Edition – 1104 pages – October 20, 2021 – €79.90

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