Ask the Master Gardener: A desert native, rosemary plants require less water and more sun – Brainerd Dispatch

dear master gardener: I got a rosemary tree as a present. how do you take care

answer: At this time of year you can see rosemary (Rosemarinus officinalis) shaped like a Christmas tree. Rosemary is an aromatic shrub native to the Mediterranean region. The name Rosmarinus comes from Latin and means “sea dew” due to the dew-like appearance of the sea spray forming on the plant. Later it was called “Mary’s Rose” after the Virgin Mary. In ancient times, it was used as a remedy for forgetfulness, and Greek students wore rosemary wreaths to rejuvenate the mind. In the old days, mourners held rosemary branches and threw them into the grave at funerals, and in France the branches were passed into the hands of the deceased.

Rosemary topiaries not only provide decorative centerpieces, they can also be used to flavor poultry, fish, lamb, beef, vinegars, herb butters and other dishes. should be kept dry. If your plant is covered with foil, poke a hole in the bottom to make sure it has drainage, or remove it and place it in a decorative container. Place the plants in full sun and rotate them weekly so that the sun hits all sides of the plants. Please be aware that the shape will change when you cut it.

dear master gardener: Does St. John’s Wort Grow in Minnesota?

answer: St. John’s wort (Hypericum perforatum) is a European species that is naturalized in North America, including Minnesota. It is mainly found on roadsides and fields in eastern Minnesota. Common St. John’s wort can be a nasty meadow weed and can harm livestock if eaten. St. John’s Wort in Minnesota He produces yellow flowers from June to September. According to Minnesota Wild Flowers, the leaves and petal dots are essential oil sachets used as herbal remedies. The black dots on the petals can turn your skin red when crushed.

St. John’s wort was used by the ancient Greeks to treat a variety of medical conditions. This is because this plant blooms around his holiday in late June.

dear master gardener: Carnivorous plants seem to be popular. Are they difficult to grow?

answer: Carnivorous plants are a very trendy ornamental plant and an attractive group of plants! Get Nitrogen. About 40 species of carnivorous plants are found in the United States. Minnesota has 14 varieties. Carnivorous plants can be purchased from rare plant nurseries, florists, garden centers, or gardening catalogs. Make sure they are grown in nurseries and not dug up from the wild, as most of them are endangered. will do. A terrarium is an ideal place to grow them because it simulates the warm, humid environment of their habitat. These plants require a moist, acidic growing medium consisting of 2 parts sphagnum peat moss and 1 part coarse sand. They grow best in well-lit areas (west, east, or south facing windows). Tap water can be too alkaline or contain minerals, so use distilled or rain water to water carnivorous plants. Water lightly around the plant without wetting the leaves to keep the soil moist. Do not fertilize carnivorous plants. Like all green plants, they contain chlorophyll and manufacture food through photosynthesis. Insects are a supplemental food source. Most carnivorous plants need only 1-2 insects per month to thrive. If you have fungal gnats or fruit flies in your home, you are in business! If not, you may need to purchase freeze-dried insects from the pet store during the winter. Carnivorous plants thrive outdoors in the summer in a bright location and can attract many insects on their own.

The most commonly grown carnivorous plants indoors are carnivorous plants, flytraps, buttercups and sundews.

  • Pitcher plants have modified leaves that resemble pitchers. Insects are attracted to the cavities formed by the liquid-filled cupped leaves. Insects slide down the pitcher, become trapped, and are quickly digested by the plant’s enzymes.
  • Venus flytraps have flat leaf rosettes with trap-like structures at the top of each leaf. Its tooth-like projections engage, trapping the victim inside and stimulating the secretion of digestive juices. These juices digest the soft parts of insects.
  • Butterwort usually has a rosette of flattened leaves with upturned margins. Leaf glands secrete a liquid of enzymes and acids that quickly overcome and dissolve unsuspecting prey.
  • The sundew plant consists of a rosette of leaves covered with tiny red hairs. These hairs emit a sticky, sweet-smelling liquid that attracts unwary victims.

Call the new Master Gardener Helpline at 218-824-1068 and leave a message to get answers to your gardening questions. A master gardener will return your call. Or send an email to If space permits, I will answer in a column.

University of Minnesota Extension Master Gardeners are trained and certified volunteers at the University of Minnesota Extension. The information in this column is based on university research.

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