45 Perennial Vegetables you Can’t do Without In The Garden

Perennial vegetable gardening can save you a load of time, money and effort. These are vegetables that one only needs to plant them once. The harvest continues year after year.

They need less work implemented in growing them. Perennial vegetables are much more nutritious. Also easy to grow compared to annual crops. They also depend less on water and have more ecological benefits.

It is amazing how many different perennial vegetables there are for the gardener to grow to feed their families. From Globe artichokes to ground nuts the list is endless. Learning what can be grown as a perennial can set your garden up for future harvests at no cost or effort.

Benefits of perennial vegetables

Extend the harvest

They are much more different from annual crops. They tend to have different seasons that they can grow. This makes these vegetables to be able to provide food throughout the year with no shortage.

Help build the soil

Since they are not tilled during the growing period, they help foster an intact and healthy soil food web. This makes them to encourage a habitat for fungi and other animals. After mulching, perennials help increase the organic matter. The water holding capacity also improved. During maturity period, perennials build the top soil. This allows the decomposition of the roots and leaves.

Low maintenance

Once grown under the right climate and a good site, they become resistant to pest, weeds and more droughts. In fact most perennial crops need harvesting from time to time. This is to prevent them from becoming weed. This makes perennial crops to produce high yields and thus preferred than the annual.

Perform many gardening functions

Due to their beauty, perennial crops tend to provide more than food to the farmer. They used to enhance the landscape. More so, most of them used as hedges, and also used during the soil erosion control in slopes. They also fix nitrogen in the soil; used as a fertilizer by other plants. Some perennials climb other trees. This provides shade for the crops that grow along the ground.

Perennials vegetables grown in gardens

Perennial vegetables loved by many gardeners all across the world. This is because they are easy to grow low inputs and provide food throughout the year. Hence this is the reason why there are hundreds of different types of them all across the world.

1. Kale

Although considered by many as an annual plant, this green vegetable is a perennial plant. Liked by many because eaten without cooking, steamed or it can be sautéed. Kale planted during the spring period. To allow it to establish itself before the cold of the winter season sets in.

The Toscano kale, considered the toughest kale to grow thus the best. Although the seasons change during the year. This kale continues to grow healthy without any complications at all. Kale loved by many gardeners because it is the easiest to grow.

2. Garlic

This is a self-sustaining crop that only planted once. Harvested to up to eight times so long as the cultivations neglected at other times. This makes it to yield huge profits during the period.

The stems, flowers and leaves of the vegetables used as stew. This makes them harvested and let the bulbs to grow healthy.

3. Horseradish

The roots are main edible parts. They are strong with a spicy flavor. The main problem with this plant is that its roots are aggressive. Hence grow faster than the gardeners plan. This makes it to become weedy hence preventing other crops from growing. Hence it is advisable to the farmer to remove as much roots as possible during harvesting. Leave only a small part to grow the next year.

4. Globe artichokes

This perennials looks like flower buds and they are tasty when they grow. They need a gardener to have a large room because they grow up to six feet high. They take a couple of years to mature before harvesting starts. There are two types of globe artichokes. Classified according to the color, purple and green. The green variety is the tender one and its best when eaten.

5. Lovage

Lovage requires low maintenance during the growth period. They are used to add flavour to meals. These perennials grow in partly shaded areas and thus low attention required.

The gardener requires keeping their roots damp so that they grow well. Like many perennials lovage need a couple of years to grow and they can grow to a height of six feet.

6. Watercress

Watercress has a hollow stem and the leaves are small hearted. This perennial grows in sunny places and also need lots of water to grow. This is why they are found beside creeks or lake regions.

In gardens, the soil must be heavy and wet. They can also be grown in pots filled with water. Harvested by cutting the leaves above the ground. This allows them to grow yearly.

7. Egyptian onions

These onions harvested from the bulbs that are on the top of the plant. The bulbs also tend to grow in the soil but the sweet ones are those that grow on the stems. They are able to survive in the hot winter and continue to grow each year. This makes them to be suitable to grow in the fall. Once grown harvested in the form of small onions for a very long time

8. Daylilies

These perennials are grown as ornaments because of their beauty. Although eaten as vegetables. They do not grow very well and do not need any attention hence neglected. Young flower buds of these perennials harvested and used as salads. This is because they are very sweet and tender when eaten.

9. Good king Henry

This perennial is very much liked and known due to the sweet taste of its leaves, flower buds as well as its shoot. It grows very well in partial shades and it is among the spinach family. The spring is the best time to harvest this crop making it easier to sprout for more years. The seeds of this plant used as grain while the flower buds are same as broccoli. Its leaves eaten like those of spinach.

10. Groundnuts

The Indian potato, this perennial is six feet high and hangs on a trellis. Its beans are edible; it also has large tubers which are also consumed. The fall is the most suitable time to harvest this kind of plant. During harvesting some left in the ground so that it can continue to grow over the years. They have a nutty flavored potato taste; this makes many people to love them.

11. Jerusalem Artichokes

This perennial vegetable known as sunchokes. They are in the sunflower family but their underground tubers are edible. The tubers can also eaten either raw or after cooked.

Due to its nature, sunchokes tend to grow very tall hence advisable to plant them along the edges of the garden. Harvested during the fall, but not all as some left, to continue growing. They have bright yellow flowers which attract insects. The insects are responsible for keeping the pest away from the garden.

12. Ostrich Fern

It has an ostrich plume hence its name. They have a long height and they also curve. This perennial vegetable changes its shape during the different seasons. They need very low maintain ace. They are also resistant to pest and diseases. During the summer this vegetable tends to unfold its leaves only to go dormant during the winter.

They grow very well in full shade and also moist areas. The fiddleheads which came out during the spring used as vegetables. For a beginner gardener, one advised buying the ferns when they are rhizomes.

13. Radicchio

This vegetable requires low maintenance cost. once planted, it never stops growing. It can survive in many climatic conditions as long as it is not dug up. The soil should be well fertilized. This prevents the quality from depreciating over the years.

14. Berry bushes

Berry bushes include the raspberries, blueberries and the strawberries. They loved all over the world by gardeners. They grow in average soils as long as there is plenty of sunshine.

They are used as deserts and provide a good colour to one’s dinner table. The sweet-pie blackberries grow with thorns hence protects other crops from pests. The berry bushes can also grow well in containers.

15. Asparagus

This is known and grown vegetable around the world by many gardeners. They take a couple of years to mature and be ready to harvest. For a beginner farmer one advised to plant the crown of the already matured asparagus.

16. Rhubarb

Due to its many and variety of colors, they are not only eaten but also considered ornaments in the gardens. The colors include red, green and then pink. The plant takes couple of years to be ready to harvest. The leaves are toxic hence only the stalks are edible in this plant. The Canadian Red Rhubarb is the one with a rich taste and has a very much stunning color that is admirable.

17. Ramps

This plant is also known as the wild creek. Found in the native eastern North America regions. Known to grow in moist areas like the underneath of trees. They are found in the deciduous forest

Because of the moist. Ramps eaten by many people as salads and they are very delicious.

18. Scarlet runner beans

Due to its colors, considered by many as an ornament. The beans, flowers and leaves are very nutritious. Their tuber is also edible. They produce varieties of beans each years and this can go on for almost twenty years. This thus makes the plant to consider very special thus planted in many gardens.

19. Sea kale

It has white flowers with gray-blue leaves. This makes it to be grown to provide beauty to the garden. Related to the cabbage because of its massive leaves which are edible. Its top is almost the same as that of a broccoli. Their seed produces oil and then its stalk and roots are edible. They leave provide vitamin C after steamed.

20. Sorrel

This plant has a lemony taste when added to food; the main foods are sauces and soup. They grow well when low attention put to them and low maintenance considered. It has a heavy root system that makes it hard to divide and grown again. Early spring is the best time to harvest this plant as it becomes bitter after spring. It also wilts very fast after its harvest thus advised to use it and fast.

 21. Chives

This is a very hard perennial plant that wilts very fast. Hence once harvested they must consumed fast. They have a vigorous growth and need low maintenance when growing. The gardener required to divide them as the years go by. Chopped and added to salads to make it tasty and delicious.

22. Three cornered leek

This is considered but the bulbs transplanted during t April. In month of May, flowering begins thus this is the right time to harvest. The leaves harvested during the autumn period. This plant requires low maintenance but takes a little time to et be ready for consumption.

23. Grapes

Grape loved by many gardeners because of the long production time taken. Grapes can produce to about fifty years depending on the seasons. Though they take a couple of years to be ready for harvest they considered as long time investments. One advised to sample out the right varieties of grapes put them in trellis and then wait for the maturity. They need high maintenance but the work is all paid after maturity.

24. Chayote

This native plant is green and also pear-shaped. It is found in native Central America. Its fruit only begins to appear after about six to nine months. It also only grows in the USDA zones eight, the time when the weather is freeze free. The fruits might not be mature at zone eight but still one can use the tender tips as vegetables. The roots begin to get starchy after almost two years and can harvested. The vines grow to almost forty feet thus need strong trellis.

25. Yacon

It has been grown in the northern Argentina and Colombia since time immemorial. Its roots are sweet tasting thus loved; it has a resinous and floral flavor. This is due to it having inulin that provides the sweet taste for the roots. The garden grown must be gentle frost. The plant can be grown using cuttings and planted in a well dug bed in the early spring. It is also a vigorous grower.

26. Stonecrop

Also known as sedum this vegetable grows for about two to three feet. The stems have fleshy leaves which are succulent. This leaves increases during the summer and autumn seasons with flower clusters. The tall sedums are grown for the distinct form and the colorful flowers. The leaves are also shaped in shades of copper and dark purple which are very colorful. Hence the perennial plant is grown as an ornament to beautify the gardens over the centuries.

27. Sweet rocket

This is a beauty plant that has white, lavender and purple flowers which are very fragrant. It is grown in Europe and Asia. The flowers appear during the months of April and July. The leaves serrated and dark green. They grow to a height of about sixty centimeters and 1.2 meters. They can grow anywhere as long as the conditions are favorable. The leaves added to salads same to the seeds as they contain almost fifty percent edible oil.

28. Sea celery

This is a perennial plant found in Australia and New Zealand. It has toothed leaves and an aroma almost like celery. It has tiny white flowers that occur in clusters. Both its stem leaves are edible. The dried leaves used as spices while the as flavors in soup. Cultivated as a vegetable for a long period of time.

29. Sea beet

The plant is found in Europe, northern Africa and also Asia. Its leaves have a good texture and they are sweet when cooked or raw thus edible. It grows to a height of about 1.2 meters and its flowers start appearing during summer. The soils must be well-drained and moist. The plant cannot grow in an area with a shade. High sodium content cannot prevent its growth as it can tolerate.

30. Salad Burnet

The plant is grown because it can be used as both food and medicine. it can be to control hemorrhaging. It has a cucumber flavor. It grows well in full sun area and also a partial shade place. It has a height of about 12-18 inches when mature. The plants take one hundred days to mature. The leaves are the fast to harvest and are edible.

31. Scurvy grass

They are low and rounded plants. Their height is about 5-20 centimeters tall. Its leaves are smooth and rounded and also spoon shaped. It has white flowers that have four petals. It has medicinal value. The leaves are enriched with Vitamin C that cure deficiency diseases like scurvy. The leaves are used as salads because of the strong acrid taste.

32. Runner bean

Also known as a butter bean, runner bean is among the legume family. It is found in Central America. It has red flowers and the seeds multicolored. The variety of colors makes them to be grown as ornamental plants. The pods of the bean are edible while young and they are fibrous. They grow to a height of about three meters. They are supposed to be cooked well as they are toxic.

33. Perpetual spinach

The perennial plant has a high yielding and also very nutritious. The months of March and July are the best during planting of the spinach. It grows well in soils that have high manure content hence fertile. The plant does not take too long to mature and harvested.

34. Mashua or Anu

This plant is grown in the Andes. It has edible tubers which are eaten either cooked or roasted as vegetables. Its mature height is between two to four meters. It has bright colored flowers hence sometime grown as ornament. It has a strong flavor when eaten.

35. Lambs lettuce

This planted is grown for the leaves because they are edible. The flavor is nutty with a dark green color. Served as the salad greens. It is grown and eaten in Britain and America. It grows to a height of 15.2 cm. it grows in harsh conditions and planted as a winter green. It has nutrients such as Vitamin C.

36. Land cress

The plant is peppery green. It requires low maintenance when growing up. It matures fast in moist soils and partial shade areas. It has a flavor that is almost the same as that one of watercress.

37. Fennel

Is a perennial plant in the carrot family. It has feathery leaves and the flowers are yellow in color. It has a high aromatic flavor. Its bulb-like stem is edible as a vegetable. The fruits and leaves are also edible. Its flavor has anise though not strong enough.

38. Crosness

They are about two inches in length, with a crunchy texture and the flavor is sweet.. The plant has high levels of sugar thus a carbohydrate. It has medicinal value as its tubers used to treat cold symptoms. It tuber eaten raw or boiled.

39. Chicory

It has bright blue flowers; others have either white or pink flowers. It has many varieties which are used as salads. Some varieties baked or ground and used as coffee substitutes. It has medicinal value in that it contains inulin. A fiber that controls weight and improves gut health.

40. Cardoon

The plant is also known as artichoke thistle. Found in the Mediterranean regions and it is in the sunflower family. Grows well in dry climates to a height of about 0.8 to 1.5m with spined green leaves. Cardoons used to produce enzymes used for production of cheese. It has very bright silver foliage thus grown as an ornamental plant.

41. Black salsify

Used as a root vegetable in the sunflower family. It has yellow ray flowers. It has a tap root that grows to up to one meter long. It has a high content of proteins, fats and potassium . Eaten with peas and served liked white sauce.

42. Arugula

The plant has is a leafy vegetable used its bitter and a flavor that is peppery. It is thus used as a salad vegetable. It has flowers whose petals are white and has purple veins. The plant eaten raw in salads or mixed with other vegetables

43. Bamboo shots

The shoots of these plants are edible. Grown in Asia. They harvested in the summer and the shoots are then removed due to the texture and a sweet taste. It produces up to 2.5 kilos of shoots per harvest.

44. Pikopiko

This is a name given to the curled shoots of ferns. It is found in New Zealand. Also called the hen and chicken fern. The fronds are edible thus eaten as vegetables.

45. Solomons seals

Grown in North America, the plant has white flowers and black seeds pods that are adorable. Grown in partial shades, the plant is grown as an ornament because of the dazzling flowers.

Vegetable gardens.

 Basics of growing vegetable gardens.

The best vegetables which are sweet, juicy and with flavor are those planted by oneself. Gardening can be very daunting in the beginning, but once one gets into it, it becomes rewarding. Here are the tips to guide one achieve high yields.

Picking the right location

Plant in a sunny place, most vegetables grow well and faster under direct sunlight. The more amounts of sunlight, the higher the yields and also the taste is better.

Plant in a good raised soil, nice loamy soils is suitable for the plant roots to penetrate. The soil must enrich with nutrients and have a good drainage capacity.The environment must be stable. The right environment should be free of acidity, floods and drought. This makes the vegetables to grow to a required size and amount.

Tips on growing vegetables in gardens

1. Spacing the crops,

The spacing must take into keen consideration. This is because plants that are close to each other tend to compete for sunlight and water. This makes them be prone to diseases and pest hence the maturity is not good.

2. Quality of the seeds,

The seeds used for planting should be researched. Only the highest quality taken. This is because the yields must be high and of a good quality.

 3. Plants in triangles, most gardeners plant

The crops in rows but the yields are not good. Triangle helps the plants spaced and also many seeds planted.

4. Grow climbing plants,

The crops that grow vertically saves on space and time. Harvesting and management are faster and easy.

When growing climbing plants, sturdy structures are required to support them. The video below will show you how to build the most popular structures cheaply.

 5. Timing,

The right timing during planting and harvesting leads to high yields. So the farmer advised to check on this.

6. Stretch the season,

Done by adding few weeks to the crop. This helps the gardener to have a successful season. Done by keeping the air around the plants warm by mulching.

7. Pick compatible pairings.

This is the interlining of crops that are compatible to each other. These crops are like corn, beans and squash. Depend on each other for successful growth.

 8. Round out the soils.

Considered as changing the shape of the beds. Raised beds are space-efficient when the soil rounded to form an arc. This increases the planting area. Crops like lettuce and spinach planted on edges of beds and grow to high yields.


For centuries perennial vegetables as seen, loved by gardeners and considered the best. Most of the plants planted only once and they reproduce for years.

Some plants are even used for medicinal purposes by many people. They not only provide food but also a sense of beauty and admiration to the gardens.

Thus most gardeners should consider the perennial vegetables. For the huge and a variety of benefits that come along

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Remember folks you reap what you sow!

Tony O'Neill

I am Tony O'Neill, A full-time firefighter and long term gardener. I have spent most of my life gardening. From the age of 7 until the present day at 45. My goal is to use my love and knowledge of gardening to support you and to simplify the gardening process so you are more productive

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