Haryana has a forest covered land of about 3.5 per cent of the total area. A thorny dry deciduous forest, pine and thorny shrubs can be found all over the state. Chief trees are Kikar or Babul (Acacia nilotica), Khair (Acacia catechu), Neem (Azadirachta indica), Shisham or Indian Rosewood (Dalbergia sissoo), Pipal or Bo Tree (Ficus religiosa), Aam or Mango (Mangifera indica), Jamun or Java Plum (Syzygium cumini), Imli or Tamarind (Tamarindus indica), Barh or Banyan (Ficus indicus), Sagwan or Teak (Tectona grandis), Ber or Indian Jujube (Zizyphus mauritiana), Mitha Jal or Pillu (Salvadora indica), Khara Jal or Pillu (Salvador persica), Semul, Khejri (Prosopis cineraria), Lasura or Lehswa (Cordia dichotoma), Amla, Dhak (Butea frondosa), Shahtoot or mulberry (Morus alba atropurpurea), eucalyptus, Amrood or Guava (Psidium guajava), pine and poplar.

The Kalesar forest is full of Sal trees. The Ritha tree can be found in the Morni Hills as well as the Kalesar forest. Another relatively bigger forest is the Saraswati Plantation near Pehowa. An important shrub species of the state is the leafless Kair or Teat (Capparis decidua). Another important plant that has religious and medicinal values, is the Tulsi. A beautiful flowering tree is the Kachnar, whose flowers are used for many purposes. Other trees that are found in Haryana are Tun (Red Cedar), Baheda and Bel.

Some small tree species: Careya arboreal, Holarrhena antidysenterica, Mallotus philippinensis, Murraya exotica, Randia dumetorum, Wrightia tomentosa, Zizyphus mauritiana etc.

Species of Shrubs: Adhatoda sp., Callicarpa macrophylla, Carissa opaca, Clerodendron viscosum, Colebrookia oppositifolia, Euphorbia royleana, Ixora sp., Murraya sp., Woodfordia sr. Zizyphus sr. etc.

Species of Climbers and Grasses: Acacia pinnata, Arundo donex, Bauhinia vahlii, Caesalpinia sepiaria, Cenchrus setigerus, Chrysopogon sp., Clematis gouriana, Cymbopogon martini, Oendrocalamus strictus, Oesmostachya bipifJnata, Oioscorea belophylla, Erianthus munja, Heteropogon contortus, Eulolopsis binanta, Ichnocarpus sp., Milletia ovaldolia, Mimosa himalayan, Pueraria tuberosa, Saccharum spontaneum, Smilex sp., Vallaris solanacea, Vetiveria zizanioides etc.

Ferns Species: Adiantum lunulatum., Adiantum caudatum, Adiantum cappilisveneris, Athyrium spo, Oryopteris sp., Ophioglossum, Salvia, Azolla, Nephrolepsis, Oyptris, Amphilopteres.

A carpet of grass covers the Morni Hills region which makes them excellent grazing ground for Black Buck (Antelope cervicapra) and Neelgai or blue bull (Boselaphus tragocamelus Pallas). A lone leopard (Panthera pardus) or a Striped Hyena (Hyena hyena) can be spotted on occasion, while foxes, Wild boar (Sus scrofa), mongoose (Herpestes edwardsi), jackals (Canis aureus) and wild dogs (Cuon alipnus) are aplenty. A large variety of birds are found especially in the Sultanpur National Park and the Bhindawas Bird Sanctuary.