Worship and Festivals
Shiva is worshipped commonly in form of a Lingam (Linga). Women worship Shiva-lingas by Bilva (Bael) leaves, especially on Mondays, to get husbands of their choice.  The lingas are anointed with most frequently with raw milk and water. 
"Millions of devotees who pour water on the linga with great affection and veneration fail to associate the linga with anything erotic. Yet, most scholars and scriptures, Vedic or Tantrik, identify the linga as a representation of Shiva's manhood. The basin, they say , reprsents a yoni or womb of the Goddess." 
oil, water, milk, ghee, honey, curd, various juices, sandalwood paste, and others before being showered with blossoms.
Worshipped as Nataraja
Mantra Om Namah Shivaya
Bel, white flowers. The usual service consists of the following: first, the figure of the deity is anointed with Festivals associated with Shiva are Maha Shivratri. Tripuri Poornima
Maha Shivratri Main article: Maha Shivratri or Maha Sivaratri or Shivaratri or Sivaratri (Night of Shiva) is a Hindu festival celebrated every year on the 13th night/14th day in the Krishna Paksha of the month Maagha (as per Shalivahana) or Phalguna (as per Vikrama) in the Hindu Calendar. The most significant practices on this day are offerings of Bael (Bilva) leaves to the Lord Shiva, fasting and all night long vigil. In North India and Nepal many people consume bhang lassi, which they believe is lord Shiva's favorite drink.
- Shiva to Shankara: Decoding the Phallic Symbol By Dr. Devdutt Pattanaik; Published 2006
Indus Source; ISBN 8188569046
- The Presence of Siva By Stella Kramrisch Published 1988
Motilal Banarsidass Publ .
Siva (Hindu deity)
312 pages ISBN 8120804910
- Pattanaik p.107
- Pattanaik p.ix
- Pattanaik p.1