From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
planting bed /plˈantɪŋ bˈɛd/
Pflanzenbeet <neut>, Pflanzbeet <neut>, Gartenbeet <neut>, Beet <neut> [agr.]
"raised planting bed" - Hochbeet
Synonyms: planted bed, bed
see: planting beds, planted beds, beds, seed bed, flower bed, vegetable bed, raised bed, raised planter, peat bed, rose bed, hotbed