India is known for its diverse climate, ranging from tropical heat in the south to chilly winters in the north. While frost is often associated with temperate countries, certain regions, such as Delhi, Punjab, Himachal Pradesh, and Uttarakhand, experience occasional frost during the winter months. 

Urban gardeners and city planners face the challenge of protecting plants from sudden cold snaps, as concrete environments can worsen temperature fluctuations. 

Frost occurs when temperatures drop to near or below freezing, causing ice crystals to form on plant surfaces. These crystals can rupture cells, damaging leaves, stems, and flowers. Tender plants, young saplings, and flowering species are particularly vulnerable. 

In cities, where green cover is limited, and heat retention from concrete and asphalt is high,........

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