Hydrangea plant 'HMOPICO04-0'

The invention relates to the field of Hydrangea, specifically, the variety designated 'HMOPICO04-0'. The variety 'HMOPICO04-0' is characterized by its lack of vernalization requirement for induction and development of flowering, day-length neutral flowering, cold tolerance to USDA Zone 5 and lace-cap inflorescence having pink and white flowers. The present invention relates to plant parts, including cells and any propagative material of the new variety 'HMOPICO04-0', use of any of the plant parts for reproducing the new variety 'HMOPICO04-0'. The present invention relates to methods using any plant parts or progeny of 'HMOPICO04-0' for the purpose of deriving additional new Hydrangea varieties. The present invention relates to seed, plants and plant parts produced by crossing 'HMOPICO04-0' with any other Hydrangea variety or other plant. The present invention also relates to methods to produce new varieties of Hydrangea oleracea using the variety 'HMOPICO04-0' and applying plant breeding techniques.