Last April I purchased several citrus plants including 3, 10 degree tangerines. It is described as:
"Citrus X 'Clem-Yuz 3-3' - 'Ten-Degree Tangerine' - Citrus x Yuzu X Clementine Mandarin - Shrub - Surprisingly, the ripe fruits are relatively sweet. If acclimated, hardy to 10ยบ F."
Well one of the ones I received was a runt 6 or 8" tall - it didn't seam to like its new home either. I had it in a 1 Gal nursery pot . The leaves were green but droopy and limp. ( the other 2 were fine) This one was quite a bit smaller than the other two it didn't change much through the spring and early summer so as a last resort I planted it in the ground in a raised bed beside my driveway and between two palm trees. The plant perked up and actually put out a few flowers in August. Come November, I mulched the base with some leaves covered a old milk crate with a clear plastic bag and of a 10 degree tangerinehoped for the best come winter. At the end of November we had a sudden and rare cold spell where temperatures dropped to -12c (10f) for a short time. We had a snow fall so I piled up snow before the temperature really dipped down, and I covered the crate, plant and all in snow. Last week we had similar conditions - daytime temperatures didn't get above 34 degrees for about a week. Well I checked out this plant today and it is still green! Its lost a few leaves but for the most part it survived intact.
So far so good. We will have to wait and see about the long term survival of a Ten Degree Tangerine here in the Pacific Northwest . It looks promising so far
