What is the 'Sikkim Sundari' plant and when does it bloom?

The Sikkim Sundari (Rheum nobile) is a rare Himalayan plant that blooms only once after 7 to 30 years of energy storage.

Where can I find the 'Sikkim Sundari' plant?

This rare plant grows at high altitudes, between 4,000 and 4,800 meters, in the remote alpine regions of Sikkim, India.

Why is the 'Sikkim Sundari' called a 'Glasshouse Plant'?

It's called a 'Glasshouse Plant' because its spectacular, translucent blooms are formed after decades of growth, resembling a glowing tower in extreme alpine conditions.

Home / Environment / Sikkim's Secret: The Plant That Blooms Once in Decades

Sikkim's Secret: The Plant That Blooms Once in Decades

22 Dec, 2025

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Summary

A rare mountain plant, Sikkim Sundari, blooms after 7-30 years.
Known as 'Glasshouse Plant', it thrives at extreme altitudes.
Anand Mahindra shared his wonder at this unique natural marvel.

Sikkim's Secret: The Plant That Blooms Once in Decades

An extraordinary plant, dubbed 'Sikkim Sundari' and scientifically known as Rheum nobile, has recently garnered attention after being shared by business leader Anand Mahindra. This rare mountain flora, found at elevations between 4,000 and 4,800 meters, is remarkable for its incredibly long life cycle. It spends anywhere from seven to thirty years, slowly storing energy as a rosette of leaves, before a single, dramatic bloom.

Referred to by Mahindra as a 'Glasshouse Plant,' its translucent, pagoda-like flowers emerge in a final, heroic act. This monocarpic nature—living for decades to bloom once and then die—makes it a subject of fascination for botanists and adventurers alike. Its remote habitat in Sikkim means it remains unseen by most travelers, highlighting the region's hidden natural treasures.

Sikkim itself is a Himalayan gem, offering dramatic landscapes from subtropical valleys to alpine heights. With iconic views of Mount Kanchenjunga and serene alpine lakes, the state is a draw for offbeat travelers. The 'Sikkim Sundari' serves as a potent reminder of the unique biodiversity and patient natural wonders awaiting discovery in this underexplored region.