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The National Gardening Association

Learn how to garden and grow plants successfully from the National Gardening Association. Read articles about vegetables, flowers, and herb and much more.

Actived: 9 days ago

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USDA Hardiness Zone Finder

The USDA map is the one most gardeners in the eastern United States rely on, and the one that most national garden magazines, catalogs, books, websites and nurseries currently use. This map divides North America into 11 separate zones. Each zone is 10°F warmer (or colder) in an average winter than the adjacent zone.

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Calendar of Events

From Mar 12, 2022 9:00 AM. To Mar 13, 2022 5:00 PM. Plantasia - Preview Party for Spring Plant Sale. 5151 MUSEUM DR. MOBILE, AL 36608. Mar 17, 2022 4:00 PM - 7:00 PM. Tulsa Garden Club Flower Show Childhood Memories. Southwood landscape and nursery center. 9025 S …

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The Top Recommended Varieties of Ilex

Yaupon Holly ( Ilex vomitoria) Yaupon Holly is native to the coastal plains of the Southeastern USA. A popular residential landscape tree, this holly is an evergreen shrub to small tree that can attain heights to 25'. It has stiff, dense branches and small, glossy green elliptical shaped leaves. This shrub bears small white flowers during the

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Gardening Discussion Forums

Welcome to the National Gardening Association forums. The forums listed below are categorized and alphabetized for your convenience. Have a gardening question?

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The Top Recommended Varieties of Spiraeas

The S. prunifolia does have a mother form from China & Korea with tiny single flowers and is referred to as Spiraea prunifolia simplicifolia, but it is not grown in North America. What is grown in the USA is Spiraea prunifolia 'Plena' that has tiny double button-like flowers that still appear before the foliage on the very slender twigs.

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The Top Recommended Varieties of Viburnums

European Snowball Bush ( Viburnum opulus 'Roseum') This European Snowball Viburnum is an old-fashioned plant that was used more in the early and mid-20th century than now in the Midwestern and Eastern USA. It was known in Europe since the 16th century. It still is offered by many cheap mail order nurseries and some conventional nurseries.

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Hibiscuses of the Continental United States

Here is a look at the species that grow wild in the Continental United States. Hibiscuses can be found in all of the 48 contiguous states, and they run the gamut of variety. They can be perennial or annual, evergreen or deciduous, native or exotic. They can be found in swamps, marshes in the eastern states, or dry rocky areas in the west.

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Weed Identification and Control Library

Weed Identification and Control Library. We've chosen the most common weeds found in lawns and gardens, and provided the essential information you need for identifying and managing them. Click on a link or image below to view the complete guide.

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The Top Recommended Varieties of Pelargoniums

Ivy Geranium ( Pelargonium peltatum) This Pelargonium (Geranium) species comes from South Africa, as many of the genus. It is somewhat commonly planted as an annual flower in the USA. Its smooth, leathery leaves look similar to English-Ivy in shape. It makes a great hanging annual plant in pots and boxes as it droops over in habit.

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Site Talk forum→proposal acceptance

To date over 1,000 exceptional plants have been selected for gardeners living west of the Cascade Mountains from Eugene, Oregon, USA to Vancouver, British Columbia, Canada. Despite its difference in scope, I'm certain GPP is just as particular as NGA about the accuracy of its published content.

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Orchids forum→Longwood Gardens, Kennett Square

Delaware USA (Zone 7a) Gerris2 Aug 12, 2010 2:42 PM CST. Thank you, Ursula, Kathy and Lindsey! Orchids are like Water Lilies, their flowers shout TAKE MY PICTURE!!!! to nature photographers LOL. I will get busy adding them to the database. I will transcribe the information that was on their ID tag.

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Most Popular Trees in the South

Morning Glory Tree ( Ipomoea carnea) Posted by StephGTx. #1: Bush Morning Glory (Ipomoea carnea) @virginiarose says, "Very easy to grow." Eastern Redbud ( Cercis canadensis) Posted by ARUBA1334. #2: Eastern Redbud (Cercis canadensis) @Sharon says, "This is a lovely early spring bloom in Kentucky. They dot the hillsides with their deep rosy color.

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All About American Beautyberry

American Beautyberry, sometimes called French Mulberry, Callicarpa americana is a US native deciduous shrub that grows wild from Maryland to Florida and west through Tennessee, Arkansas and Texas. It's in the Vervain family (Verbenaceae). In the wild, it can occur in a wide variety of sites, from dry to moist, from open to shady.

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The Top Recommended Varieties of Cannas

It is a common cultivar used in the northern USA as an annual. After the frost killed the plants to the ground in late fall, I would dig up the tubers and store them in moist peatmoss in cardboard boxes in a cool inside place. In April I would cut the tubers to nice pieces and plant them in pots. I would grow the plants inside until mid or late

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The Top Recommended Varieties of Mock Oranges

The Sweet Mockorange is native to southeast Europe and Asia Minor. It is an old-fashioned shrub that was used a good amount in the Midwest, Mid-Atlantic, and Northeast USA in many landscapes from the late 1800's into the 1960's, and many are still alive. It grows to be a large, rounded shrub with stiff ascending branches that arch with age, and

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The Top Recommended Varieties of Peonies

Hybridizer: Roger Anderson, Fort Atkinson, Wisconsin, USA Peony (Paeonia lactiflora 'Bowl of Beauty') This peony is deer-resistant, easy to grow, and provides a 3-4 week period of blooms. When done flowering, the lush, green foliage can serve as a backdrop for other perennials, hardy roses or annuals.

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The Top Recommended Varieties of Hydrangeas

Oftentimes, the flower clusters get big and pull the branches down. It needs lots of corrective pruning to keep it neater, in early spring, as it blooms on new wood. It has been commonly sold and planted in the Upper Midwestern USA, and less so in the South or Mid-Atlantic due to the huge popularity of the Bigleaf Hydrangea.

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Green Birdflower (Crotalaria cunninghamii)

Common names: Other: Pubescent, gray-green in color. Other: 1 to 2 inch long, pubescent, club shaped pods. Other: Shaped like little hummingbirds. Other: Green with very fine dark lines. Scarify seeds: Soak in warm water for 12 to 24 hours. Shallowly sow, barely covering with soil.

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American Beautyberry (Callicarpa americana) in the

This species is native to the southeastern USA, parts of Mexico, and the Caribbean, as far north as southwest Maryland in moist soiled woods and thickets and rich bottomlands. I think it is cold hardy up to USDA Zone 6a, though it might become like a …

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Plant ID forum→Please identify. Northern New Jersey, USA

Northern New Jersey, USA. vassock Jul 7, 2017 4:06 PM CST. greene said:Appears to be a type of Euonymus. Dig it up, pull it out. It's all over the place. Otherwise I would have used physical force. Other plants have already died from the Pramitol/Glyphosate combo, but this thing is totally unaffected. Can they be immune?

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All Things Gardening forum→Importing Plants to the United

Importing bare-rooted plants into the United States (Other rules for importing from Canada) I wanted to import iris rhizomes (note: absolutely no soil) from Iris-Cayeux in France. The only info on the Internet was the US Depart. Of Agriculture – Animal and Plant Health Inspection Service (USDA-APHIS).

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Weigela (Weigela florida 'Variegata')

Posted by blue23rose (Elberfeld, Indiana, USA - Zone 6b) on Jul 24, 2012 4:15 PM. This was cut back by half in 2011. Came back beautifully. [ Reply to this comment | ] Posted by blue23rose (Elberfeld, Indiana, USA - Zone 6b) on Feb 6, 2015 12:14 PM. I've cut this weigela back every year for a few years now. It gets much bigger than the stated size.

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Daylilies forum→OT ~ The Porch Swing ~ Winter 2021/2022

Norwegian Forest Cats are very similar, a North European version of a genetic answer to the same problems. Thick fur for snowy conditions, large size to keep the core warm. They are so new to the USA that my cat's grandparents were actually all from Norway. They have a more triangular head than Coons and a crazy fur bib that looks like a lion's

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Plant ID forum→ID help

Elberfeld, Indiana, USA (Zone 6b) blue23rose Nov 17, 2021 4:40 PM CST. Growing in southwestern Indiana in a small woods. Very prolific. Skinny, arching stems, some only 1 foot tall, others 2 or maybe even 3 feet long. I really thought it was beautyberry, but we have a beautyberry (Callicarpa dichotoma) that we planted nearby this spring and the

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A Brief History of Peppers

Prehistoric remains in Peru show that peppers existed then, and they were cultivated in Central and South America in very early times. Columbus brought them to Europe in 1493, and they were quickly adopted and cultivated. In fact, it was the Europeans that gave peppers their name.

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Daylilies forum→OT ~ The Porch Swing ~ Winter 2021/2022

Daylilies forum. →OT ~ The Porch Swing ~ Winter 2021/2022. Lyshack said: Vickie, If it comes up, maybe you can just cut n paste the ë out of Diana's message until we figure it out. Seems to work for me. Diana , I believe your taunting has provided me an easy solution. Nan, I'll give it a try when I get a bigger break from work.

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Amaryllis and Hippeastrum forum→Amaryllis fertilize

Salt Lake City, Utah, USA (Zone 7a) kenisaac Oct 31, 2021 6:24 PM CST. I wouldn't fertilize while it's breaking dormancy or in budding. But 'conventional wisdom' says for the three months after bloom, regular fertilizing is the most important thing you can do, if you wish it to bloom well next year. Some give it a gentle fertilizer while in mid

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Site Banners forum→Banner for December 17, 2021 by Zoia

It is not as commonly used in the USA, but in Europe it's as popular as any fruit. It is a healthy source of vitamin C, also makes a pretty rose colored tea. The Rosehip marmalade was imported from Croatia.

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Ask a Question forum→Reputable Seed Sellers

International sellers need a phytosanitary certificate to ship seeds to the USA (and other countries). That makes seed purchases very expensive. A lot of the international sellers don't have the right certificates and ship anyway, often camouflaging the seeds somehow and declaring them as something other than seeds. This is bad for three reasons

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Ipomoea forum→Growing Morning Glories 2021

Delaware USA (Zone 7a) Gerris2. Dec 24, 2021 9:13 AM CST. Thanks Linda! For coming out of nearly 10 year old seeds they are growing remarkably well. I'm thinking of naming one 'The Girl from Ipomoea', a play on words with the song title The Girl from Ipanema. ( 6) | Quote | Post #2643987 (19) Name: Lisa.

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Daylilies forum→Bearded daylilies

Elberfeld, Indiana, USA (Zone 6b) blue23rose Dec 9, 2021 4:36 PM CST. Yes, unfortunately some daylily sellers perpetuate the misnomer. I am afraid I don't really have any info on cristate daylilies. They are not something that I …

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Caladium (Caladium praetermissum 'Hilo Beauty') in the

Rabbit Resistant. Toxicity: Other: All parts of plant contain calcium oxalate crystals, an irritant to the mouth and esophagus. Toxic to cats and dogs. Propagation: Seeds: Other info: Remove seeds from berry which contains chemicals that inhibit germination. Propagation: Other methods: Division.

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Daylilies forum→Daylily Dispatch

Elberfeld, Indiana, USA (Zone 6b) blue23rose Nov 11, 2021 12:15 PM CST. Thanks, Sue. I was on the members portal thinking I could see whether I had subscribed to the DD or not. The archives listed on the link you provided only shows the DD up to October 2020. Was that the last edition sent by email?

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Mountain Ninebark (Physocarpus monogynus) in the Ninebarks

This Ninebark is native to the western USA in the Rocky Mountains from Montana into New Mexico to Arizona & Nevada to South Dakota in well-drained canyon bottoms and mountain slopes, often in a mixed shrub community or with a coniferous forest community. It is a low shrub about 2 to 4 feet high; its small leaves get to about 1.5 inches long and

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Voodoo Lily (Sauromatum venosum) in the Sauromatums

Posted by eclayne (Pioneer Valley south, MA, USA - Zone 6a) on Feb 17, 2014 9:15 AM. This is another easy Aroid to grow and it's readily available. It's always fun waiting for the inflorescence to pop up, a bizarre thing. The spadices I've seen are up …

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Elephant's Ear (Colocasia esculenta 'Mojito') in the

Posted by eclayne (Pioneer Valley south, MA, USA - Zone 6a) on Oct 19, 2012 12:44 PM. Great colors and form and it likes full sun here. This year, 2012, they reached 5 feet plus and produced loads of pups close to the crown. The parent tuber rotted after potting up for overwintering 2011-12. Three pups survived and were potted up.

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Ask a Question forum→New to North Texas Looking for Vining

Ask a Question forum. →New to North Texas Looking for Vining plants. I just moved to North Texas in July. We have done some recent grading of our yard and have added a horizontal fence that I would like to vine something against. I would prefer something other than roses and something that obviously will tolerate the cold.

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Elephant's Ear (Alocasia gageana 'Albo-variegata') in the

Posted by eclayne (Pioneer Valley south, MA, USA - Zone 6a) on Jul 10, 2015 1:58 PM. Often misidentified as Elephant's Ear (Alocasia odora 'Okinawa Silver') Variegation is white with light, medium and dark green. [ Reply to this comment | ]

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The Top Tomatoes, Peppers and Eggplants

#8: Pepper (Capsicum annuum 'Fish') @DanCarmona says, "Capsicum: Annuum Origin: USA PI: Flower: erect, stellate Petals: white Spots: no Calyx: toothless Pods: 1" 2" Green > orange > red Seed: yellow-brown Leaves: medium, glabrous Plant height: 18-24" Maturity: 70 Days Habit: sturdy, tree-like bush Scoville units: 25,000-30,000 Germ. Time: 1 wk

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Amaryllis and Hippeastrum forum→Blooms and Chat #5

The 4 Hadeco bulbs arrived yesterday. They are shipped as a bulk order to a company in New Jersey that repackages the bulbs and sends them to the individual buyers in the USA. Yesterday I also ordered 2 bulbs, which are new to me, from "Amaryllis Man" in Florida. This is the first year that I've ordered from them.

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Ipomoea forum→Growing Morning Glories 2021

Delaware USA (Zone 7a) Gerris2 Dec 9, 2021 6:29 PM CST. Thanks Shawn. I appreciate the information. I remember the funkytown smell of steamed growing medium from when I had a work study job at the university greenhouse, years and years ago, when the dinosaurs roamed the land. 🦕 🦕 🦕

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Ask a Question forum→Birdhouse gourds

BigBill. Dec 16, 2021 7:39 AM CST. It is a combination of interior size of gourd or nest box and the size of the opening. If the opening is too big, you can allow unwanted birds to use the nest box. I wanted wrens or chickadees to use my new bird house this Spring. The whole diameter was 1 1/8".

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Daylily (Hemerocallis 'Red Volunteer') in the Daylilies

Posted by blue23rose (Elberfeld, Indiana, USA - Zone 6b) on Aug 25, 2015 8:55 AM. Even though I started with a double fan of Red Volunteer in 2008, I have given a lot of it away over the years and still have a good sized clump. While it is considered red, some blooms appear to be a very dark raspberry red.

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Lilies forum→Germinating seeds

Minneapolis, MN, USA zone 4. Leftwood May 28, 2012 8:17 PM CST. A "small mass of roots"? Wow, that's more than I ever got, which was a single root per seed, and perhaps a few tiny root hairs. Bravo! And congratulations! Temp should be 32-40F. Approximately. I don't think the bulbs will sprout green in the fridge at all, unless you leave them in

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Ipomoea forum→Items from azuremore Japan on eBay

Delaware USA (Zone 7a) Gerris2 Sep 30, 2021 8:30 PM CST. Thanks, Evelyn! That one came from azuremore too, which was a pretty one with the central petaloid petals and yellow green leaves. | Quote | Post #2603113 (14) Name: Ronnie (Veronica) Southeastern PA …

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Daylilies forum→Australia (Queensland)

Daylilies forum. →Australia (Queensland) - Daylily Blooms - December 2021. Page 1 of 2 • 1 2. Views: 462, Replies: 21 » Jump to the end. Sunshine Coast, Queensland, Au. RobynMcK. Dec 11, 2021 7:02 PM CST. Blooms in my garden this month. We are at the start of Summer over here, but have been experiencing mass rainfall events over the past

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