Growing Rutabaga, also Swedes

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27 Oct 21 Steve (USA - Zone 7b climate)
Why exactly can you not plant Rutabagas next to Broccoli? The few companion planting guides out there that I have found says NO they hate each other. What's the science behind that thinking?
20 Feb 22 Steve (USA - Zone 7b climate)
Thanks everyone for responding. Broccoli did fine and still harvesting rutabagas. Did not have any issues with growth or pests and no diseases that i can see. Conclusion even though they did well together, I'll stick with time proven methods.
08 Jan 22 Anonymous (Canada - Zone 7b Mild Temperate climate)
Rutabagas are moderate to heavy feeders that do best in rich, loamy soil amended with composted manure. Optimal soil temperature: 18-21°C (65-70°F). Rutabagas need lots of water. Brussels sprouts prefer temperatures between 45 and 75 degrees Fahrenheit and also like well composted manure. Additionally, they both like approximately the same PH range. They are both Brassicas; one Brassica oleracea the other Brassica napobrassica. They like the same conditions: no surprise, they are from the same family. So why did a companion planting guide tell you not to plant them together. The main reasons: 1. They are both considered heavy feeders: that means they will sap your soil of all nutrients. Companion planting usually doesn't place two heavy feeders side by side. It's easy to get past this: just add lots of compost or manure several times in the growing season: at planting: mid season: and nearing the end of season so the plants have enough nutrition to fully develop their fruit (vegetables). 2. These two plants share the same threats (pests); when you plant them side by side the TARGET BECOMES BIGGER and more attractive, so you need to watch out for pests. Companion planting usually places a
09 Jan 22 Celeste Archer (Canada - Zone 7b Mild Temperate climate)
Companion planting usually places plants that don't attract the same pests (or discourages pests that the other attracts) side by side. This stops/inhibits infestations which can occur easily when the pest can move from one site to another (plant to plant - like in rows or patches). Herbs tend to deter a lot of pests (odour) as do Calendula (pot marigolds). To my best estimation you can plant these two plants side by side: just add extra manure/compost and be on the look out for pests (taking action quickly if spotted).
28 Oct 21 Liz (New Zealand - temperate climate)
It is usually because they might produce chemicals in the soil that affect growth or they take the same nutrients from the soil and are susceptible to the same diseases.
28 Oct 21 Steve (USA - Zone 7b climate)
Thank you for your reply, but your answer is a little too vague. I had already placed them together per spouse suggestion in a 4x4 section of the greenhouse so I'll do my own testing, good or bad the sacrifice is minimal.

Rutabagas are moderate to heavy feeders that do best in rich, loamy soil amended with composted manure. Optimal soil temperature: 18-21°C (65-70°F). Rutabagas need lots of water. Brussels sprouts prefer temperatures between 45 and 75 degrees Fahrenheit and also like well composted manure. Additionally, they both like approximately the same PH range. They are both Brassicas; one Brassica oleracea the other Brassica napobrassica. They like the same conditions: no surprise, they are from the same family. So why did a companion planting guide tell you not to plant them together. The main reasons: 1. They are both considered heavy feeders: that means they will sap your soil of all nutrients. Companion planting usually doesn't place two heavy feeders side by side. It's easy to get past this: just add lots of compost or manure several times in the growing season: at planting: mid season: and nearing the end of season so the plants have enough nutrition to fully develop their fruit (vegetables). 2. These two plants share the same threats (pests); when you plant them side by side the TARGET BECOMES BIGGER and more attractive, so you need to watch out for pests. Companion planting usually places a

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This planting guide is a general reference intended for home gardeners. We recommend that you take into account your local conditions in making planting decisions. Gardenate is not a farming or commercial advisory service. For specific advice, please contact your local plant suppliers, gardening groups, or agricultural department. The information on this site is presented in good faith, but we take no responsibility as to the accuracy of the information provided.
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