Navadhanya means nine grains/legumes.
There is a grain/legume associated with each of the nine planets.
They are Wheat, Paddy, Pigeon pea, Mung bean, Chickpea, Cowpea, Sesame seeds, Black gram, and Horse gram.
When Navagraha Puja is performed, the nine planets are invoked onto kalasha or idol placed above its dhanya.
Navadhanyam is also used for giving danam and also for cooking naivedyam or homa dravya for the respective planet.
Wheat
Sanskrit Name: गोधूमः
Botanical Name: Triticum aestivum
Other languages : গম, ઘઉં, गेहूं, ಗೋಧಿ, ഗോതമ്പ്, ଗହମ, ਕਣਕ, கோதுமை, గోధుమ
Paddy
Sanskrit Name: व्रीहिः
Botanical Name: Oryza sativa (with husk)
Other languages : ধান, ડાંગર, धान, ಭತ್ತ, നെല്ല്, ଧାନ, ਝੋਨਾ, நெல், వరి
Pigeon pea
Sanskrit Name: आढकी
Botanical Name: Cajanus cajan
Other languages : অড়হর, તુવેર, अरहर, ತೊಗರಿ, തുവര, ਅਰਹਰ, तूर, కందులు
Mung bean
Sanskrit Name: मुद्गः
Botanical Name: Vigna radiata
Other languages: মুগ, મગ, मूँग, ಹೆಸರು ಕಾಳು, ചെറുപയർ, मूग, ਮੂੰਗੀ, பாசிப் பயறு, పెసలు
Chickpea, Bengal gram
Sanskrit Name: चणकः
Botanical Name: Cicer arietinum
Other languages: ছোলা, ચણા, चना, ಕಡಲೆ, കടല, ଚଣା, கொண்டைக் கடலை, శనగలు
Cowpea
Sanskrit Name: बर्ब्बटः/राजमाषः
Botanical Name: Vigna unguiculata
Other languages: বিউলির ডাল, ચોળા, लोबिया, വൻപയർ, காராமணி, అలసంద
Sesame seeds
Sanskrit Name : तिलः
Botanical Name: Sesamum indicum
Other languages: তিল, તલ, तिल, ಎಳ್ಳು, എള്ള്, तीळ, எள், నువ్వులు
Black gram
Sanskrit Name: माषः
Botanical Name: Vigna mungo
Other languages : মাষকলাই, અડદ, उड़द, ಉದ್ದು, ഉഴുന്ന്, उडीद, ବିରି, உளுந்து, మినుములు
Horse gram
Sanskrit Name: कुलत्थः
Botanical Name: Macrotyloma uniflorum
Other languages : કળથી, कुलथी, ಹುರುಳಿ, മുതിര, कुळीथ, கொள்ளு, ఉలవలు
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