Some gardeners say potted roses are easier to plant.They say the roots develop better if you start with potted roses.But others point out that bare-root roses come without soil,so they weigh less to transport and that can save money.When growing roses,the soil should feel moist(潮湿的)deep down.

　　Watering should be done in the morning.You can avoid problems like black spot and mildew that way.Be careful not to water roses too much.Too much water can cause unhealthy discoloration on the leaves.

　　After heavy rains or too much watering,try temporarily pulling away mulch(覆盖物) from around the roots.Doing that will help dry the soil.Mulch stops weeds from growthing and holds moisture in the soil.You can use mulch made from bark,pine needles,cottonseed or oak leaves.

　　1.From the first paragraph,we know that in the United States . 

　　A.not all the people like roses

　　B.there are a lot of national flowers

　　C.some roses don’t smell sweet

　　D.most roses exist naturally

　　2.Why do some garderners suggest planting bare-root roses?

　　A.They are easier to plant.

　　B.Their roots develop better.

　　C.They are cheap to transport.

　　D.They don’t need any sunshine.

　　3.From the last paragraph we can infer that placing mulch around rose plants . 

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