N
InsightHorizon Digest

Will rhubarb grow in Arizona

Author

John Parsons

Updated on March 27, 2026

Now, if you live in the desert regions like Northern and Western Texas, Southern Arizona and parts of New Mexico: you, too, can grow rhubarb, but as an annual rather than a perennial. If planting in sandy soil, plant the crown a little deeper than normal.

Can you grow rhubarb in Tucson Arizona?

Rhubarb is an old garden favorite for many of us who grew up enjoying its unique tart flavor in pies, cobblers and sauces. But rhubarb is a northern-grown perennial, not adapted to subtropical regions like we have in Tucson.

What zone does rhubarb grow in?

Rhubarb grows best in zones where the ground freezes in winter. Plants require an extended chilling period with temperatures below 40 degrees to produce a crop of stems. As a result, rhubarb is commonplace in gardens throughout the coldest sections of the country, although it can be grown as far south as zone 7.

Will rhubarb grow in hot climates?

The key to growing rhubarb in warm climates is to change your thinking; you will not be growing rhubarb as a perennial. In the southern regions, you can grow rhubarb either from crowns (dormant root plants) or from seed. … If you get them in the late summer, you need to cold storage the plants for six weeks.

Where is the best place to grow rhubarb?

Rhubarb needs an open, sunny or partially shaded site, and rich, moist soil. It will grow well in a sunny, open site, on a wide range of soils, as long as it has been well-prepared with plenty of manure or compost.

Should rhubarb be planted in sun or shade?

Grow rhubarb in full sun, in rich, lightly moist soil. In hot regions (USDA hardiness zone 6 and higher), plant rhubarb where it will get some protection from hot afternoon sun. Rhubarb will not thrive in a soggy location, where it will be susceptible to root rot, one of the few problems rhubarb can encounter.

Can you grow rhubarb in Phoenix AZ?

Now, if you live in the desert regions like Northern and Western Texas, Southern Arizona and parts of New Mexico: you, too, can grow rhubarb, but as an annual rather than a perennial. If planting in sandy soil, plant the crown a little deeper than normal.

Will deer eat rhubarb?

Deer Resistant Vegetables and Herbs Certain plants, such as rhubarb, are toxic to deer. Deer usually also avoid root vegetables (which require digging) and prickly vegetables such as cucumbers and squashes with hairy leaves. Cultivars with strong odors such as onions, garlic and fennel are not palatable to deer.

Can rhubarb tolerate shade?

Rhubarb. Rhubarb is a useful, trouble-free and good-looking crop for a shady spot. Vigorous, early varieties such as ‘Timperley Early’, ‘Stockbridge Arrow’ or the ever-popular ‘Victoria’ will fare best.

Does rhubarb spread on its own?

Rhubarb is hardy, and will survive late spring frosts. … Space Rhubarb roots two to three feet apart. They will spread. Rhubarb tolerates a little crowding, but the stalks and leaves will grow bigger and healthier if you allow them plenty of space.

Article first time published on

What should not be planted near rhubarb?

For example, rhubarb, sunflowers, and thistles are all susceptible to curculios, a weevil that bores into cylindrical stalks to lay its eggs, and should not be planted near one another.

Will rhubarb grow in Zone 9?

When starting your seeds, remember that rhubarb is a cool-weather crop. … In areas with very hot summers, where winters are mild (zones 9 to 10), rhubarb can be grown from seed as a winter annual.

What states grow rhubarb?

In the United States rhubarb generally, will grow quite successfully between from Maine to Illinois, and west to Washington. Most of the commercial rhubarb grown in the United States is grown in Washington, Oregon and Michigan.

What do you do with rhubarb in the first year?

With newly planted rhubarb, resist the temptation to harvest any stems in the first year, as this will reduce the plant’s vigour. The following year, pick just a few stems. After that, the plant should be well established and can be harvested normally.

Does rhubarb need lots of water?

Rhubarb plants respond well to moisture and adequate watering, however, most rhubarb plants thrive with minimal or no extra watering. … If your rhubarb is getting too dry, water is well, about an inch every week. Watering needs to be “deep watering” to allow the roots to benefit.

Is rhubarb poisonous to dogs?

Rhubarb is toxic to dogs and cats. The leaves can cause vomiting, diarrhea, and irritation of the mouth (increased salivation or drooling, pawing at mouth).

How many times can you pick rhubarb?

Discard the leaves. Always leave at least 2 stalks per plant to ensure continued production. You may have a bountiful harvest for up to 20 years without having to replace your rhubarb plants.

What kind of soil does rhubarb need?

Soil pH and fertility The best soil for rhubarb is well-drained. Loamy soils are better for rhubarb growth than sandy soils. They are more water-retentive and can provide more nutrients to the plant.

When should you plant rhubarb seeds?

“To grow rhubarb as an annual in the fall and winter (zones 9 and higher), start the seeds in a cool location (a bright indoor spot or a shady outdoor place) from late August to early October. Transplant into the garden when the seedlings reach about 4 inches tall.

Why is rhubarb illegal in Russia?

from 1750 to 1850 Russia was making a fortune from trading rhubarb root through st Petersburg to europe via the baltic. Russia supplied and controlled the export of the dried root, thus controlling its price. it banned the export of the seeds to block the growing of the plant elsewhere.

How do you prepare rhubarb for winter?

Dig up the crowns in late fall and put them in a pot. Let them stay outside during at least two freeze periods. Then move the crowns inside where the crown will warm up. Put the pots in a dark area and cover the crowns with peat or sawdust.

Is it better to cut or pull rhubarb?

Harvest rhubarb by cutting or gently pulling the stalk away from the plant. Do not harvest any stalks during the first growing season, so your plants can become established. … At this point, their harvest period should run 8 to 10 weeks or until the stalks become thin, which may be a sign that food reserves are low.

How long does rhubarb take to grow?

If you’re salivating and just chomping at the bit, then you may want to rule out growing rhubarb from seed. Seed grown rhubarb actually takes a year longer or more to produce stalks than rhubarb grown from crowns or plant divisions. At a minimum, you will be waiting two years for a decent harvest.

When should you not eat rhubarb?

Rhubarb stalks are best if harvested in spring and early summer, but they do not become toxic or poisonous in late summer. They can be eaten all summer long. There are two good reasons not to eat them in summer. They tend to get woody in late summer and don’t taste as good.

What causes crown rot in rhubarb?

This plant disease, also called stem rot, foot rot, or root rot, is caused by a fungus (Phytophthora species) that lives in the soil. It thrives in waterlogged, heavy soils and attacks the crown and base of the stems. The stems and eventually the roots rot, resulting in wilting and finally the death of the plant.

Does rhubarb multiply?

Splitting rhubarb will give new life to the plant. Rhubarb is usually harvested in the cool, early months of spring, however, rhubarb plant division can extend the harvest period into the summer months.

Will wild rabbits eat rhubarb?

Raw rhubarb is poisonous to rabbits. In the wild, rabbits will naturally avoid raw rhubarb. In fact, rhubarbs are used by farmers to deter wild rabbits from their crops.

Do slugs eat rhubarb?

It’s very common for rhubarb leaves to be attacked by slugs and snails. … Most rhubarb plants will survive slug and snail damage easily and as the leaves get older in the season the slugs and snails will leave them alone – they prefer younger leaves near the ground.

Is rhubarb invasive?

As an invasive species tinctoria is on the National Pest Plant Accord. … Its large leaves create dense shade, preventing other species from germinating or growing. Chilean rhubarb is classified in the European Union as an invasive species of Union concern, and it is illegal to import, grow, or sell it within the EU.

How do you look after rhubarb in the winter?

Rhubarb varieties grown in pots should also be protected during the winter. Incidentally, protection from the sun’s rays is just as important as protection from the cold. For overwintering, it is best to place the potted rhubarb plants in a shady spot near the house and cover them with a frost-resistant fleece.

Which is the best rhubarb?

  • Cherry Red. With its bright red stalks, the hybrid variety ‘Cherry Red’ (R. …
  • Chipman’s Canada Red. Also known as Canadian Red, ‘Chipman’s Canada Red’ is another ruby-colored cultivar. …
  • Crimson Red. …
  • German Wine. …
  • Glaskin’s Perpetual. …
  • Hardy Tarty. …
  • Holstein’s Bloodred. …
  • KangaRhu.