The people in Kerala celebrate the festival called Vishu during which they use yellow amaltas flowers, along with fruits and vegetables, to create Vishu Kani. Vishu is a significant festival in Kerala marking the Malayali new year and is celebrated with various traditional rituals and customs.

Overview:
Vishu is a significant festival celebrated in the southern Indian state of Kerala. It marks the beginning of the Malayalam New Year and is observed with great enthusiasm by the people.

Celebration:
- Yellow Amaltas Flowers: During Vishu, people in Kerala decorate their homes with yellow amaltas flowers, also known as kanikonna. These bright yellow flowers symbolize prosperity and good luck for the coming year.
- Fruits and Vegetables: A key tradition of Vishu is the preparation of a special feast known as Vishu Sadhya. This elaborate meal typically includes an assortment of fruits and vegetables, signifying abundance and fertility.
- Vishukkani: Another important custom is the Vishukkani, which is the first thing people see on the morning of Vishu. It consists of items like rice, golden cucumber, betel leaves, areca nuts, metal mirror, and coins, all arranged in a traditional vessel called uruli.
- Customs and Rituals: On Vishu morning, family members wake up early to view the Vishukkani and seek blessings for the year ahead. It is believed that starting the year by looking at auspicious items will bring prosperity and success.
- Special Attire: People dress up in new clothes on Vishu, adding to the festive spirit of the occasion. It is a time for families to come together, exchange gifts, and enjoy the traditional delicacies.

Significance:
Vishu holds cultural and religious significance for the people of Kerala. It is a time to reflect on the past year, express gratitude for blessings received, and welcome the New Year with hope and positivity. The festival promotes unity, harmony, and the spirit of togetherness within communities.