The Sievers apple tree (Malus sieversii) is one of the unique natural treasures of the Almaty State Nature Reserve.

The Sievers apple tree usually blooms in April and May. Its fruits ripen in late summer and early autumn, most commonly in August and September.

The fruits vary greatly in size, color, taste, and shape. They may be green, yellow, pinkish, or red, and their taste can range from sweet to sour.

The Sievers apple tree is listed in the Red Data Book of the Republic of Kazakhstan as a rare plant species in need of protection. Therefore, the conservation, study, and protection of its natural populations are among the important tasks of the specialists of the Almaty State Nature Reserve.