Landscaping colour and texture are two reasons to add plants that grow over a rock retaining wall. It is important to keep plants pruned and trim. Some root systems are stronger than others. These might cause long-term damage to the retaining wall. Check the area every several months and replace with different plants if the roots of existing plants begin damaging the rock retaining wall.
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The perennial trumpet vine fills with deep red trumpet-shaped blooms that are a golden yellow or orange at the base. The colour and shape of these blossoms attract birds to your rock retaining wall area. The vine has an abundance of thick leaves for bird nests during the spring. Trumpet vine can be invasive and damage some types of stone. Keep it trimmed and pruned often to prevent this. The trumpet vine does well in most growing zones, even the colder growing regions.
Morning glory and moon flower pairing
Bring colour and texture to a rock retaining wall with morning glory and moon flower plants. The seeds have a thick hull for protection. Soak seeds for 24 hours before germinating indoors. Plant seedlings along the retainer rock wall after all chances of frost disappear. Combining these plants offers blooms during the day and in the evening.
Nasturtium is a self-seeding annual flowering vine. It does well for rock retaining walls without being invasive. Not only do the flowers decorate landscaping areas, they are edible. Nasturtium flowers are a popular choice for edible pastry and cake decorations or plate garnishes. Salad lovers enjoy the colour and taste variety of nasturtium to perk up a traditional salad.
The flowers of this plant have three to five petals and bloom primarily in brilliant yellow colours. The petals form a shield shape. Seeds from the centre of the flower make a pickled garnish. The plant is home to black fly aphids, which destroy many crop pests. According to Absolute Astronomy, nasturtium is a companion plant for many crops to protect other plants from pest destruction.
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