Cold-Hardy Citrus: Growing Oranges & Tangerines in Cool Climates

Cold-Hardy Citrus: Growing Oranges & Tangerines in Cool Climates

Citrus fruits – the bright, juicy taste of sunshine! – are a delight to grow. But for those of us in regions with chilly winters, the dream of a citrus grove can seem distant. Don't despair! While many popular citrus varieties are frost-sensitive, there are plenty of cold-hardy options that can thrive even when temperatures dip. This article will explore some of the best oranges and tangerines for cooler climates and offer tips for successful cultivation.

Understanding Cold Hardiness

Citrus cold hardiness isn't a one-size-fits-all concept. It's a spectrum! Generally, citrus trees are considered hardy to temperatures between 10°F and 20°F (-12°C to -7°C). However, even within that range, some varieties are more resilient than others. The key is to choose varieties specifically bred for colder conditions. Remember that young trees are more vulnerable to frost damage than established ones.

Top Cold-Hardy Citrus Varieties

Here are a few excellent choices for growing citrus in cooler climates:

• Satsuma Mandarins: Known for their easy-to-peel skin and sweet, juicy segments. They are among the most cold-hardy citrus fruits.
• Improved Meyer Lemon: A hybrid of lemon and mandarin orange, the Improved Meyer Lemon is more cold-hardy than the standard Meyer Lemon and produces delicious, fragrant fruit.
• Nagami Mandarins: These mandarins are known for their tart-sweet flavor and excellent cold hardiness. They are often used for marmalade.
• Kumquats: These small, tart citrus fruits are incredibly hardy and can tolerate freezing temperatures. They're great for preserves and candied treats.
• Certain Oranges (like Thick-skinned varieties): Some thicker-skinned orange varieties, like some of the thicker-skinned navel oranges, can tolerate colder temperatures better than thinner-skinned types. Research specific cultivars for your region.

Growing Tips for Cold Climates

Even with cold-hardy varieties, some care is needed. Here are some tips to ensure success:

• Microclimates: Plant your citrus trees in sheltered locations, such as near south-facing walls or fences, to take advantage of reflected heat.
• Soil Drainage: Citrus trees *hate* wet feet! Ensure excellent drainage to prevent root rot. Amend heavy clay soils with organic matter.
• Mulching: Apply a thick layer of mulch around the base of the tree to insulate the roots and retain moisture.
• Protection from Winter Winds: Wind can exacerbate frost damage. Consider windbreaks like hedges or fences.
• Frost Protection: For particularly harsh winters, consider covering young trees with blankets or frost cloth during cold snaps. Stringing up holiday lights (incandescent, not LED) can also provide a bit of warmth.

Growing citrus in cooler climates takes a little extra planning, but the reward of fresh, homegrown oranges and tangerines is well worth the effort. With the right variety and a little care, you can enjoy the bright flavors of citrus even in colder regions!