The Plant Doctor Trivia Quiz

The common daisy is a small plant that usually grows 4-6 inches tall (10-15 cm). It has simple, spoon-shaped leaves, and its flowers have white petals with a yellow center. Sometimes, the tips of the petals are pink or red. This plant grows well in cool areas and is often found in lawns, parks, and grassy fields in Europe and North America.

The daisy is a symbol of innocence and is famously used in the game "he loves me, he loves me not," where people pluck petals to predict love outcomes.

The saguaro cactus is a large, tree-like cactus known for its tall, branching arms. It can grow up to 40-60 feet tall (12-18 meters) and live for over 150 years. The saguaro has thick, waxy skin covered in protective spines, and its ribs expand to store water during rainy periods.

It produces white, night-blooming flowers in the spring and edible red fruits in the summer. The saguaro is native to the Sonoran Desert in the southwestern United States and northern Mexico.

The cabbage plant is a leafy vegetable that forms a dense, round head of leaves. The outer leaves are typically dark green, while the inner leaves are lighter in color, ranging from pale green to white or even purple, depending on the variety. Cabbage thrives in cool, moist environments and is often grown in temperate regions, including Europe, Asia, and North America.

In many cultures, cabbage is a staple food and is used in dishes like sauerkraut in Germany and kimchi in Korea.

The common sunflower is a tall, annual plant known for its large, bright yellow flower heads with dark brown centers. These flower heads can grow up to 12 inches in diameter (30 cm), and the plant itself can reach heights of 6-10 feet (1.8-3 meters). The sunflower has rough, hairy stems and large, broad leaves.

They are often recognized for their association with Vincent van Gogh, who famously painted a series of sunflower-themed works.

The broccoli plant is a green vegetable that forms clusters of small, tight flower buds on thick stalks. The heads, which are typically dark green, are the part most commonly eaten. Broccoli can grow up to 3 feet tall (0.9 meters) and has large, leafy stems. It is commonly grown in temperate regions like Europe and North America. Broccoli is rich in vitamins C and K.

The prickly pear cactus is known for its flat, paddle-shaped segments called cladodes, which are covered in spines and small, hair-like pieces that can easily detach and irritate the skin. It produces bright yellow, orange, or red flowers in spring, followed by edible, pear-shaped fruits called "tunas" in Spanish.

The prickly pear cactus grows in arid and semi-arid environments and is commonly found in deserts, grasslands, and coastal areas, especially in the southwestern United States, Mexico, and parts of South America.

In Mexico, the prickly pear cactus, or "nopal," is a key symbol of the country and appears on the national flag.

The Douglas fir is a large evergreen tree that can grow up to 250 feet tall (76 meters) and live for hundreds of years. It has thick, gray-brown bark with deep ridges, and its needles are soft, flat, and dark green, growing around the branches. Douglas firs are native to the western regions of North America, thriving in mountainous and coastal forests.

It is often associated with Christmas, as it is one of the most popular choices for Christmas trees in North America.

The Norway spruce is a tall evergreen tree that can grow up to 180 feet (55 meters), with a pyramidal shape and downward-hanging branches. Its needles are dark green, short, and sharply pointed, growing around the twig. The tree also produces long, cylindrical cones, which can grow up to 6 inches in length (15 cm). Norway spruce is native to northern and central Europe and is often found in mountainous or forested areas.

The Norway spruce is the choice for the Christmas tree for New York City's Rockefeller Center.

The common marigold is a bright, hardy flowering plant known for its vibrant orange and yellow blooms. It typically grows between 6 inches to 3 feet tall (15 cm to 0.9 meters), with bushy, green, fern-like leaves that give off a distinct scent. They are native to Mexico and Central America but are now popular worldwide. Marigolds are significant in various traditions, especially in Mexico, where they are used during Día de los Muertos (Day of the Dead) celebrations to honor the deceased.

The white pine is a tall, straight evergreen tree that can grow up to 150 feet (46 meters), with smooth, grayish bark when young that becomes rough and furrowed as it ages. It has long, slender needles grouped in bundles of five. White pines are native to eastern North America.

Historically, white pine was highly valued for its strong, lightweight wood, making it important in shipbuilding, especially for masts in the 18th century. The white pine was also a symbol of peace and was used by the Iroquois Confederacy as a representation of unity.

The kale plant is a leafy green vegetable known for its curly or flat leaves that range in color from deep green to purple. Unlike other leafy greens, kale doesn't form a head but grows in loose clusters on a central stem that can reach about 1-2 feet tall (30-60 cm).

It grows well in cooler climates and is typically grown in temperate regions during the fall and winter, as frost can enhance its flavor. In recent years, kale has gained popularity as a "superfood" due to its high levels of vitamins A, C, and K.

The spiny pincushion cactus is a small, round or tube-shaped cactus covered in a thick layer of spines that can be white or reddish-brown. These spines give it its "pincushion" look. It typically grows to about 6-12 inches in height (15-30 cm) and produces small pink or red flowers that form a ring around the top of the plant.

This cactus is native to the dry, rocky areas of central Mexico.