Summer Sweet Common Name: Summer Sweet Botanical Name: Clethera alnifolia Summer Sweet Plant family: Clethraceae Location: North Forest Trail Growing zone: 3-9 Height: 3′-8′ Spread: 4′-6′ Bloom time: July, August Bloom description: Small white flowers born in long clusters are extremely fragrant. Leaf type: Light green leaves have deep venation and jagged, serrated edges. Garden uses: Small, trouble-free shrub. Wildlife benefits: Attracts butterflies and other pollinators.