HomeGardening Tips And AdviceHow To Grow Organic Raspberries

How To Grow Organic Raspberries

Growing organic raspberries has a dual purpose: the berries can be eaten and the leaves may be used to make tea. The leaves of raspberries can be preserved and used to make herbal and therapeutic teas. Growing organic raspberries provides a substantial amount of antioxidants, which have been shown to help with vascular health.

When it comes to raspberries, there are two types to be mindful of: June-bearing and Ever-bearing variants. June-bearing raspberries are harvested in late spring, usually for 4 to 6 weeks, and produce abundantly throughout this time. Ever-bearing raspberries don’t yield as many berries; some types bear fruit all year, while others bear fruit only once in the spring and once in the fall.

When Should You Plant Raspberries?

Raspberry canes have a two-year growth cycle. The primocane, a fresh green cane, grows its first year, develops bark, and then goes dormant for the winter. In its second year, the cane is known as a floricane; it produces fruit before dying. The roots, on the other hand, continue to send up new primocanes every year. After the earth thaws in the North, raspberry slips are normally planted in the early spring. Raspberry slips can be planted in the fall or early spring in the South.

The Best Places to Plant Raspberries

Raspberries prefer direct sunlight. We attempted to grow them in partial shade a few years ago, but they simply did not thrive. June-bearing raspberries thrive in areas with chilly winters. However, new types that thrive in hotter regions are being produced. If at all feasible, choose soil that drains well, has a high organic content, and is slightly elevated. Fill a 12 inch deep by 12 inch square hole with water to test drainage.

Your soil drainage is acceptable if the water drains from the hole in less than three hours. Plant your berries away from trees, and don’t plant them where raspberries have recently been planted.

Raspberry Soil Preparation

Raspberries prefer slightly acidic soil with a pH of less than 7.0. It should be approximately 6.0, and never less than 5.5. Most, if not all, of the nutrients required by raspberries can be found in compost and composted manure. Prepare the ground by deep-mixing several inches of compost or composted manure into the soil at least 12 inches deep into a 24 inch wide row once you’ve chosen the spot where you’ll plant your berry slips.

From edge to edge, space your rows 48 to 72 inches apart. The plants will be 6 to 8 feet apart as a result of this. Remember that you want your berries to have enough of nutrients for years to come, so don’t go overboard with the compost. You can also boost productivity by side-dressing existing canes with composted manure.

Selecting the Most Appropriate Varieties for Your Area

Raspberries are brambles that belong to the “rubus” family. You can cultivate red raspberries, black raspberries, or purple raspberries, which are a mix of red and black raspberries. If you’re unfamiliar with raspberry illnesses in your area, it’s usually a good idea to phone your county extension. They’ll be able to provide you recommendations for disease-resistant types in your area.

Raspberries in Containers

You can grow raspberries in pots if you have limited space or live in a rental where your landlord won’t let you cultivate. If you’re going to grow raspberries in containers, make sure to use a sterile potting mix to avoid soil pathogens. Pour the mixture into a 3 to 7 gallon container with multiple drain holes on the bottom and lots of composted manure. For one plant, a five gallon bucket is roughly the ideal size. Plant the root slip 3/4 of an inch below the surface of the soil. As needed, add composted manure every year.

Raspberries: How to Grow Them in Your Garden

You’re ready to plant in early spring, once you’ve acquired a variety (or two) you prefer from a reputable nursery that is resistant to common diseases in your area. Soak your plant roots in compost tea for 6 hours before planting (a cup or two of compost in a 5 gallon pail of water should enough). Insert your shovel as far as it will go into the earth in your pre-marked rows (as instructed above), then open up the soil with a rocking back-and-forth motion before inserting the raspberry plant to where the dirt covers the roots. You should be able to distinguish between the root and the cane.

To give the plant roots a good start, make sure the roots are spread out laterally. In your rows, space one plant every 24 to 36 inches. The spacing between rows should be between 6 and 8 feet. Because the canes can grow up to 8 feet tall, it’s a good idea to “trellis” your raspberries to keep them from toppling over.

We do it this way: we use 4 x 4 inch poles with 36 inch 2 x 4s nailed horizontally at 2 feet and 4 feet from the ground (you can also add a third horizontal bar at 6 feet off the ground if you need to). Then, to keep the canes vertical, string wire between the horizontal 2 x 4s. During the mid- to late-summer, when the primocanes are fast developing, you’ll need to check on them every couple of days to make sure they’re still inside the wires, since it’s difficult to get them back under them if they get too tall.

How to Get the Most Out of Your Raspberries

You’ll get more berries from your patch if you have more bees. By rototilling or mulching the area between the rows on a regular basis, you can keep it weed-free. Planting a cover crop is another alternative. As previously stated, a trellis system or other supports are essential for keeping your plants vertical and producing well.

Pruning the tops of your floricanes to 5 or 6 feet in height in the spring, before the leaves begin to grow, is an excellent technique. Cutting the primocanes at about 30 to 36 inches is one way to harvest more fruit. This will force them to grow branches, which will result in higher fruit production that is also easier to reach.

Cut off all decaying floricanes at ground level after your fruit has been harvested to give the primocanes as much area as possible to grow. Thin out the new floricanes in the spring so that only the thickest and strongest canes survive. These will yield more fruit than if all the canes are left in the ground. You can sidedress your canes with composted manure in the spring if necessary. You shouldn’t need to add much if you’ve already mixed in lots of composted manure before planting.

Weeding and Mulching

Two of the greatest mulches for growing raspberries are lawn clippings and barley straw. To keep the soil moist and weeds at bay, I like to add a few inches of mulch between the rows and around the plants. It also supplies organic matter to your soil as it decomposes over the summer. Don’t go too deep with your mulch because it may become a home for mice or other vermin. If you don’t want to mulch, you can rototill or hand-pull the weeds between the rows and around the plants.

Watering raspberries

Mulching will lessen the amount of water you need to give your developing raspberries, but you’ll still need to water them between 1 and 2 inches each week throughout the summer. It’s better to avoid overhead watering whenever possible, but if you don’t have a choice, water early in the day to avoid too much dampness in your plants, which can lead to fungal illnesses. If your soil is sandy, you may need to water less regularly but in larger volumes. Raspberry roots require a lot of oxygen, so don’t overwater them.

Considerations for Companion Planting and Rotation

Because they repel the Harlequin Beetle, turnips and yarrow are recommended as companion plants for raspberries. Garlic naturally collects sulphur, which acts as a fungicide. Garlic, when combined with raspberries, helps to prevent fungal infections. It’s also efficient at keeping a variety of insect pests at bay.

Tansy is a toxic liquid that repels ants, Japanese beetles, cucumber beetles, and squash bugs, among other pests. However, don’t let it spread to your pasture because it’s harmful to some livestock. Wormwood is a bitter herb that keeps insects and animals away. Don’t consume it; you can get a stomachache as well! Keep raspberries away from blackberries, boysenberries, and loganberries because they’re all in the same family.

Planting around potatoes could make your raspberries more susceptible to blight. Never plant a fresh raspberry patch in the same spot as a previous one. You should be able to leave your raspberry patch in the same position for up to 15 years if your soil is free of fungal diseases, nematodes, and other pathogens. If you want to avoid verticillium wilt, don’t plant raspberries where eggplant, tomatoes, potatoes, or strawberries were grown in the previous five years.

Raspberries harvest

They’re ready to pick when the raspberries have turned a bright red colour and are readily taken from the canes. If it’s been raining recently, harvest the ripe berries as soon as possible because they’ll mould in half a day if it’s warm. If it’s windy, things will dry off before mould takes hold. Your berries will stay longer if you pick them early in the day when the weather is cooler.

During the peak of the season, harvest at least every other day. This will keep your fruit from being overripe and maybe mouldy. If you pile raspberries more than a few deep when picking them, the bottom layers will turn to mush. To prevent crushing these delicate berries, pick with care.

Keeping Raspberries Fresh


Refrigerate your raspberries as soon as possible after picking them. In a cool refrigerator, they’ll last up to a week. Raspberries are delicious whether served fresh on ice cream, flake cereal with half-and-half, or shortcake with whipped cream, to name a few delectable ways to gain weight. Raspberries can be frozen whole or pureed and produce great jam (with or without seeds).

Put raspberries on ice trays and freeze them for smoothies after pureeing them and straining away the seeds. Mmmm! If you don’t mind grainy smoothies, freeze the berries whole on jelly roll pans, then transfer to zip-top bags or plastic cartons to use later. You may also make raspberry fruit leather by spreading pureed and strained raspberries in pans and baking them at a very low temperature. This is something my family used to do when I was a kid, but I haven’t done it in a long time.

Common Pests: Preventative and Natural Solutions

Overripe raspberries are a favourite food of sap beetles. Picnic beetles are another name for them. Sap beetles are black with four yellow-orange spots on their backs and are about a quarter inch long. Allowing your berries to become overripe is the easiest strategy to prevent an infestation of this bug. You can select these beetles and drown them in a bucket of soapy water to minimise their numbers.

Aphids are microscopic pests that range in colour from green to brown to red to black. Aphids swarm on the undersides of your raspberry plant leaves, sucking the sap and leaving behind a sticky residue known as “honeydew.” Aphids are most likely to be found on leaves that are crinkling up.

Aphids can be handled by removing contaminated leaves and killing them, as well as the aphids that have attached themselves to them. You can also use an organic insecticidal soap spray or a pressure-spray nozzle to knock them off, however it’s best not to get your plants wet at harvest time. Cane borers eat the insides of your canes to lay eggs and feed on them. The canes’ insides are also eaten by the larvae. If you see these pests, cut down any canes that are wilting an inch below the wilting point and eliminate them.

If the infestation is severe, organic rotenone powder can be used as a final resort, however this should only be used as a last resort because it will also kill pollinating insects, which is undesired. Leaf rollers are little moth larvae that are about 3/4 inch long, pale green or light brown in colour, and have dark heads.

Leaf rollers consume raspberries and spin a silky web on a leaf before rolling it inwards to form a cocoon. As a result, the term “leaf roller” was coined. To get rid of these pests, parasitic wasps and flies might be imported. If the infection is severe, you can also apply organic Bacillus thuringiensis (Bt). Even organic insecticides should be avoided unless absolutely essential, as they kill both good and nasty bugs.

Spider mites are small bugs with eight legs that can be seen under a microscope. Spider mites congregate on the undersides of raspberry leaves, sucking sap and causing yellow stains. Spider mites appear to be the most problematic in drought-stricken plants. If the mites aren’t too many, spraying them with water will kill them. They can also be treated with insecticidal soap spray. Avoid over-fertilizing your raspberries with nitrogen because it appears to attract both mites and aphids.

Raspberry ailments and treatments


If winter temperatures drop below -20°F, your raspberry plants may suffer from winter damage. At -5°F, purple and black raspberries may be damaged. The majority of harm to raspberries can be avoided by mulching them. On primocanes, anthracnose appears as a reddish-purple lesion. Over time, the lesions’ centres change grey to brown, and the edges become elevated and purplish.

These lesions girdle the canes, causing them to dry out and fracture, and eventually kill them. The floricanes will produce uneven fruit and branches if they survive the winter. If anthracnose is a problem in your area, the best defence is to buy resistant types. Anthracnose is spread by splashing water, so water early in the day or use drip irrigation to keep weeds at bay. Anthracnose can also be reduced by applying lime sulphur in the early spring.

Cane blight manifests as pimple-like lesions that might be grey, black, or brown. Canes that have become infected often become brittle and shatter near the infection. It’s possible that the canes will wilt and the auxiliary branches will die. If blight is an issue in your area, the best preventative is to buy blight-resistant stock before planting.

Control weeds and avoid overhead watering for the same reasons as in the anthracnose section above. If your plants had any infection the previous year, destroy any infected canes and apply lime sulphur in the early spring. Another disease that creates lesions on primocane nodes is spur blight. The infection spreads from the leaves to the stem.

Infected leaves turn yellow and brown, eventually dying. The lesions on the cane are purplish to brown in colour. Any buds near the virus will not bloom the following spring. The best cure is prevention, which can be accomplished by planting resistant types. Overhead irrigation and too much nitrogen should be avoided.

Weeds must be controlled. Make the canes thinner. Soil should be well-drained. If your plants were infected the previous year, use lime sulphur in the early spring. Gray mould causes raspberries to decay, as well as blooms. Cool, rainy weather encourages it. The easiest way to avoid grey mould is to get resistant cultivars.

Mold can be avoided by using drip irrigation. Don’t over-fertilize your plants. Weeds must be controlled. Canes that are infected should be removed. Don’t overwater your plants. Harvest ripe berries as soon as possible. A soil-borne fungus causes Phytophthora Root Rot. Yellowing and wilting leaves, water-soaked sores around the base of the canes, and reddish-brown root tissue are all signs of the disease.

Phytophthora Root Rot is frequently caused by over-saturated soil, which can be avoided by growing canes in well-drained soil, not over-watering, purchasing resistant types, and eliminating weeds. Another soil-borne fungus that can cause the entire raspberry cane to wilt and die is Verticillium Wilt. Infected cane sapwood is frequently coloured reddish-brown. Purchase resistant types, plant them in well-drained soil or raised beds, don’t overwater, use drip irrigation if possible, thin the canes, and kill sick plants if you have an epidemic to avoid verticillium wilt.

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