U-boats. U-boats were German submarines that caused havoc in World War Two during the Battle of the Atlantic. U-boats were so damaging that Winston Churchill commented that it was the only time in World War Two that he thought Britain would have to contemplate surrendering.rom 1918 on, Germany was technically not allowed to have submarines or submarine crews. However, no mechanisms were in place to stop research into submarines in Germany and it became clear that during the 1930âs, Germany had been investing time and men into submarines.
Mountain laurel thrives in well-draining, acidic soil with a pH ranging from 5.0 to 5.5. Use a soil pH testing kit -- available at garden centers or home improvement stores -- to test your soil. If the soil in the planting area is higher than 5.5, mix 1 to 2 inches of sphagnum peat moss into the soil's top 6 inches.
PRUNUS LAUROCERASUS 'NOVITA â¢'. This variety of common laurel is a selection from Rotundifolia and as a result, is very similar to it. There is some evidence that it may be even hardier, tolerating temperatures of -27 C, and so it is becoming more popular on continental Europe where winters are harder than in the UK.arbled White is a variety of Common Laurel with fine white markings on the leaves. It is slower growing that most other varieties of Prunus laurocerasus as it has less chlorophyll in the leaves because of the variegation. Ultimate height 5m (15ft) tall.