Invasive Woody Plant Options

Help Protect the Native Trees and Shrubs

alternative options for invasive Woody plants of Maine:

Invasive species

Amur maple; Acer ginnala is an invasive species to the State of Maine.

DESCRIPTION: AMUR MAPLE IS A SMALL TREE 20 FEET TALL. THE LEAVES ARE OPPOSITE WIDER THEN LONG, THEY TURN BRIGHT RED IN THE FALL.

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Invasive Species

Porcelainberry; Ampelopsis brevipedunculata is an inavasive species to the State of Maine.

DESCRIPTION: THE PORCELAINBERRY IS A PERENNIAL VINE. THE LEAVES ARE ALTERNATE, BROADLY OVATE WITH A HEART SHAPED BASE THEY ARE PALMATELY LOBED WITH A COARSELY TEETH MARGIN. THE FLOWERS OCCUR IN FROM JUNE THROUGH AUGUST THAT ARE GREENISH WHITE IN COLOR. THE FRUITS APPEAR IN SEMTEMBER-OCTOBER WITH COLORS RANGING FROM PALE LILAC TO BRIGHT BLUE.

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Invasive Species

Norway Maple; Acer platanoides is an invasive species to the State of Maine.

DESCRIPTION: THE NORWAY MAPLE WILL GROW 90 FEET TALL, THE LEAVES ARE PAIRED DARK GREEN PALMATE, WITH LONG HAIR LIKE TIPS THAT HAVE TEETH. IT FLOWERS IN THE SPRING BRIGHT YELLOW-GREEN. SAMARAS FRUITS MATURE IN THE SUMMER.

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Invasive species

Japanese Barberry; Berberis thunbergii is an invasive species to the State of Maine.

DESCRIPTION: JAPANESE BARBERRY WILL GROW 2 TO 8 FEET TALL. IT IS A DENSE SPINY SHRUB WITH FLOWERING OCCURING MID-APRIL TO MAY. FLOWER COLOR IS PALE YELLOW WITH FRUITS BRIGHT RED BERRIES.

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Invasive species

Orienatal Bittersweet; Celastrus orbiculatus is an invasive species to the State of Maine.

DESCRIPTION: NATIVE TO KOREA, CHINA AND JAPAN. THE BITTERSWEET IS A PERENNIAL VINE. THE LEAVES ARE ALTERNATE, GLOSSY AND FINELY TOOTHED. THE FEMALES PRODUCE SMALL CLUSTERS OF SMALL GREENISH FLOWERS. THE FRUITS ARE THREE-VALVED, YELLOW CAPSULES. THEY SPLIT OPEN AT MATURITY AND REVEAL THREE ORANGE-RED ARILS.

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Invasive species

Autuman Olive; Elaegnus umbellata is an invasive species to the State of Maine.

DERSCRIPTION: THE AUTUMAN OLIVE IS A LARGE DECIDUOUS SHRUB THAT CAN GROW 20 FEET. THE LEAVES ARE ALTERNATELY ARRAINAGED WITH SILVER SCALES ON MATURE LEAVES. THE FLOWERS ARE SMALL, CREAMY WHITE TO YELLOW TUBALUR SHAPE. THE ABUNDANT FRUITS ARE PINK SMALL BERRIES.

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Invasive species

Winged euonymus; Euonymus altas is an invasive species to the State of Maine.

DESCRIPTION: THE WINGED EUONYMUS IS A WOODY PERENNIAL SHRUB THAT GROWS 10 FEET TALL WITH HOLLOW STEMS. LEAVES ARE OPPISITELY ARRANGED AND ARE OVATE TO OBLONG IN SHAPE. FLOWERS ARE PINK TO RED IN COLOR THEY APPEAR LATE MAY TO JUNE. FRUITS ARE RED AND APPEAR MID SUMMER TO EARLY FALL.


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Invasive species

Tatarian Honeysuckle; Lonicera tatarica is an invasive species to the State of Maine.

DESCRIPTION: INTRODUCED AS AN ORNAMENTAL BUSH IN THE 1700s. IT IS A BUSHY SHRUB ABOUT 9 FEET TALL WITH OVAL OR ROUNDED LEAVES. THE FRUIT IS A SHINY ORANGE OR RED BERRY UP TO A CENTIMETER WIDE. THE FLOWERS ARE TUBALAR PAIRS AND THE COLORS ARE WHITE TO PINK TO CRIMSON RED.


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Invasive species

Glossy Buckthorn; Rhamnus frangula is an invasive species the State of Maine.

DESCRIPTION: IT IS A SMALL SHRUB OR TREE GROWING UP TO 8 FEET TALL. IT HAS SIMPLE SHINY LEAVES WITH 8 OR 9 VEINS THAT DO NOT HAVE TEETH. THE LEAVES ARE ALTERNATE. THE TINY FLOWERS ARE GREENISH WHITE WITH FIVE PETALS ARRANGED IN CLUSTERS.


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Invasive Species

Multiflora Rose; Rosa multiflora is an invasive species the State of Maine.

DESCRIPTION: THE MULTIFLORA ROSE IS A MEDIUM HEIGHT SHRUB THAT IS THORNY AND BUSHY. IT HAS MORE SPREAD GROWTH THEN ERECT GROWTH. THE LEAVES ARE ALTERNATE BROADLY OVAL WITH A TOOTHED MARGIN. THE FLOWERS ARE CLUSTERS OF NUMEROUS WHITE FLOWERS THAT BLOOM IN LATE SPRING. THE FRUITS ARE SMALL FIRM RED HIPS. OLDER ROSE SHRUBS CAN REACH 15 FEET IN HEIGHT.


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Invasive Species:

Little Leaf Linden; Tilia cordata is beginning to be classified invasive in some states.

DESCRIPTION: THE LITTLE LEAF LINDEN IS NORMALLY SEEN 40-50 FEET TALL WITH A 35-40 FOOT SPREAD IN LANDSCAPES. THE TREE HAS A SLOWER GROWTH RATE THEN OTHER LINDENS. IT HAS A DENSE CROWN FOR SHADE. THE TREE HAS FRAGRENT FLOWERS APPEARING IN LATE JUNE INTO JULY THAT ATTRACTS NUMEROUS BEES.


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Invasive Species

Siberian Elm; Ulmus pumila is an invasive species to the State of Maine.

DESCRIPTION: IS A FAST GROWING SMALL TREE 15-30 FEET TALL. IT HAS SIMPLE LEAVES THAT ARE ALTERNATE. THE LEAVES ARE ELLIPTIC TO OBLONG-LANCEOLATE. THE FLOWERS ARE GREENISH CLUSTERS THAT APPEAR FROM MARCH THROUGH APRIL. THE FRUIT IS A LONG BROAD SAMARA THAT APPEARS MARCH THROUGH APRIL.


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