[2] Much of his work uses a single colour on a monochrome background, very often blood-red on white.
Between 1949 and 1959, he studied sculpture and drawing under the sculptor Robert Coutin.
He spent time in the studios of Andre Lhote and Fernand Léger, and also visited Alberto Giacometti and worked in the sculpture studio of the École nationale supérieure des Beaux-Arts.[5]: 253 [6].
He travelled frequently in the 1950s, in Europe and to the Middle East and the United States.
[5]: 253 Garache later made sculptures for L'Année dernière à Marienbad (1961), directed by Alain Resnais.