Most Popular. 1  Know your poison: the festival chemical safety net. 2  Golden rain3 comments. 3  Eight great apps for chemistry teachers. 4  Chemistry A-level results are out. 5  The massive problem of microplastics. 6  Nailing corrosion demonstrations.
Varieties. 1  Clematis (cirrhosa) 'Freckles' - Attractive largish fragrant cream bell shaped flowers (to 2 inches or 5cm) flecked with pink to reddish/brown spots or 'freckles' appear from late summer through to winter. 2  Foliage is a handsome dark green fern like foliage. 3  Clematis cirrhosa var.
Clematis Prune Group 2. All the Clematis varieties below fall into Prune Group 2. Clematis in this group produce early season bloom on the previous season's growth and late season flowers on new growth. Generally, these cultivars are only pruned to shape.lematis Prune Group 2. All the Clematis varieties below fall into Prune Group 2. Clematis in this group produce early season bloom on the previous season's growth and late season flowers on new growth. Generally, these cultivars are only pruned to shape.