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Hardiness: USDA Zone 8a: to -12.2 °C (10 °F) USDA Zone 8b: to -9.4 °C (15 °F) USDA Zone 9a: to -6.6 °C (20 °F) USDA Zone 9b: to -3.8 °C (25 °F) USDA Zone 10a: to -1.1 °C (30 °F) USDA Zone 10b: to 1.7 °C (35 °F) USDA Zone 11: above 4.5 °C (40 °F)
Propagation Methods: From seed; direct sow outdoors in fall From seed; winter sow in vented containers, coldframe or unheated greenhouse By grafting By air layering
Seed Collecting: Allow unblemished fruit to ripen; clean and dry seeds Seed does not store well; sow as soon as possible N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
On May 16, 2008, DannyJoe from Spartanburg, SC (Zone 7b) wrote:
The only time I've seen these leaves start to curl (or droop) is when they start to get too dry. This can happen very fast in a container grown tree -- especially in hot weather. Some of your leaves may have been permanently damaged by drying out or sun scald. They do shed older leaves on a seasonal basis anyway (even pine trees do this), so no big deal.
These trees are actually very tough and will recover nicely from all kinds of abuse.
At 28dF, you will start to lose the more tender new growth.
The thorns (like most citrus) might give you a scratch, but these thorns are NOT that bad when compared to the other thorns out there (don't snag or break off and are easy to prune off).
I live in upstate NY. This spring purchased a plant (that I re-potted) that I kept outside till very recently when cold weather dictated I move it inside. It has grown very well, w/ several green fruit slowly maturing, & continues to send out new blossoms.
On Mar 10, 2006, Tir_Na_Nog from Houston, United States (Zone 9b) wrote:
The smell is intoxicating and I think the plant is beautiful, I love that it is evergreen. Ours is about 2' tall and has several small lemons already started on it!!!
On Nov 8, 2004, trifunov from Brandon, MS (Zone 8a) wrote:
I have two one year old plants in containers. They have grown from 12 inch high single sticks to around 36" high and wide in a single season. They are currently in 10in pots. The leaves became yellowed when I overwatered. A dose of Epson salts and iron helped.
They should be repotted every 1-3 years. A 1yr old tree should be in a 6-9in pot, a 2-3yr old tree in a 10-16in pot.
The minimum temp they can tolerate is 32F, Xmas lights on them will help in winter in marginal zones. Otherwise bring them inside (gradually) when night temperatures reach 40F or below. Like acidic fertilizer at least once per month (eg: 2:1:1 or miracid). Spray with water and mild dish soap for aphids and scale. Keep ants away as they will farm the aphids. Allow the top of the soil to dry out between watering. Do not let first year plants fruit (will sap energy). Fruit takes 6-9 months to form after flowering.
My little trees are gorgeous, the leaves and flowers smell wonderful, and I can't wait for fruit next year.
Regional...
This plant has been said to grow in the following regions:
Chowchilla, California Folsom, California Oakland, California Pacifica, California San Anselmo, California San Francisco, California Venice, California Woodland Hills, California Gulf Breeze, Florida Homestead, Florida Kissimmee, Florida Miami, Florida Nokomis, Florida Pensacola, Florida Atlanta, Georgia Bonaire, Georgia Richmond Hill, Georgia Newton, Illinois Portage, Indiana Baton Rouge, Louisiana Monroe, Louisiana Vidalia, Louisiana Las Vegas, Nevada Hilton Head Island, South Carolina North Augusta, South Carolina Memphis, Tennessee Austin, Texas Converse, Texas Galveston, Texas Leander, Texas Little Elm, Texas Mcallen, Texas (2 reports) Mission, Texas Plano, Texas San Antonio, Texas Spring, Texas