Updated October 2, 2017: Here are the Scott catalogue numbers:

• 5233 (49¢) Flowers from the Garden coil stamp – Red Camellias and Yellow Forsythia in Yellow Pitcher, serpentine die cut 10¾ vert.
• 5234 (49¢) Flowers from the Garden coil stamp – White Peonies and Pink Tree Peonies in Clear Vase, serpentine die cut 10¾ vert.
• 5235 (49¢) Flowers from the Garden coil stamp – Blue Hydrangea in Blue Pot, serpentine die cut 10¾ vert.
• 5236 (49¢) Flowers from the Garden coil stamp – Assorted Flowers in White Vase, serpentine die cut 10¾ vert.
• a. Strip of 4, #5233-5236

• 5237 (49¢) Flowers from the Garden booklet stamp – Red Camellias and Yellow Forsythia in Yellow Pitcher, serpentine die cut 11 on 2 or 3 sides
• 5238 (49¢) Flowers from the Garden booklet stamp – Assorted Flowers in White Vase, serpentine die cut 11 on 2 or 3 sides
• 5239 (49¢) Flowers from the Garden booklet stamp – White Peonies and Pink Tree Peonies in Clear Vase, serpentine die cut 11 on 2 or 3 sides
• 5240 (49¢) Flowers from the Garden booklet stamp – Blue Hydrangea in Blue Pot, serpentine die cut 11 on 2 or 3 sides
• a. Block of 4, #5237-5240
• b. Booklet pane of 20, 5 each #5237-5240

Updated July 23, 2017:
Flowers from the Garden to Decorate Forever Stamps media advisory

WHAT: First-Day-of-Issue dedication ceremony for the Flowers from the Garden Forever stamps. The event is free and open to the public. The public is asked to RSVP at usps.com/flowers.

WHO:

• South Dakota Governor Dennis Daugaard
• Sioux Falls Mayor Mike Huether
• Sioux Falls City Council member Michelle Erpenbach
• U.S. Postal Service Employee Resource Management Vice President Simon Storey
• Stamp artist Elizabeth Brandon
• Plant Scientist Sarah Stowers

WHEN: Wed., Aug. 16 @ 4 p.m. CDT

WHERE:
Mary Jo Arboretum & East Sioux Falls Historic Site
1900 South Perry Place
Sioux Falls, SD 57110

Please share the news on social media using the hashtag #FlowerStamps.

BACKGROUND: The U.S. Postal Service celebrates the beauty of flowers from American gardens by issuing the Flowers from the Garden Forever stamps. The four stamps feature still-life paintings of bountiful floral bouquets. The stamps may be pre-ordered now at this link for delivery shortly after the Aug. 16 issuance.

Elizabeth Brandon’s paintings were inspired by floral still lifes created by Dutch and Flemish artists of the 17th and 18th centuries. Each stamp features one of four different paintings of flowers gathered from the garden and artfully arranged in a container. One stamp features red camellias and yellow forsythia in a yellow pitcher, while on another there are white peonies and pink tree peonies in a clear vase. An arrangement of white hydrangeas, white and pink roses, green hypericum berries, and purple lisianthus in a white vase graces another stamp, while blue hydrangeas in a blue pot appear on another.
The floral paintings of the Dutch and Flemish artists featured exuberant, massed arrangements, which gave the impression of wild abandon and impromptu creativity. However, the arrangements were in reality carefully thought out and many times purely imaginary—and frequently botanically impossible. Though they looked as if they had just been plucked from the garden, the bouquets might include flowers that did not bloom during the same season or sometimes even grow in the same country.

Digital Images and Paintings © Elizabeth Brandon

Updated July 7, 2017:
On August 16, 2017, in Sioux Falls, SD, the U.S. Postal Service® will issue the Flowers From the Garden First-Class Mail® stamps (Forever® priced at 49 cents), in four designs, in a pressure-sensitive adhesive (PSA) booklet and coils. The stamps will go on sale nationwide August 16, 2017.

The Flowers From the Garden stamps will be available in the following formats:

• PSA Booklet of 20 (Item 672100)
• PSA Coil of 3,000 (Item 755000)
• PSA Coil of 10,000 (Item 760100)

Flowers From the Garden stamps feature four different paintings of flowers that come from typical American gardens, each bunch artfully arranged in a container. One stamp features red camellias and yellow forsythia in a yellow pitcher, while another features white peonies and pink tree peonies in a clear vase. An arrangement of white hydrangeas, white and pink roses, green hypericum berries, and purple lisianthus in a white vase graces another stamp, while blue hydrangeas in a blue pot appear on another. Art director Derry Noyes designed the stamps with existing art by Elizabeth Brandon.

Stamp Fulfillment Services will not make an automatic push distribution to Post Offices.

How to Order the First-Day-of-Issue Postmark:
Customers have 60 days to obtain the first-day-of-issue postmark by mail. They may purchase new stamps at their local Post Office, at The Postal Store® website at usps.com/shop, or by calling 800-782-6724. They must affix the stamps to envelopes of their choice, address the envelopes (to themselves or others), and place them in a larger envelope addressed to:

FDOI – Flowers From the Garden Stamps
USPS Stamp Fulfillment Services
8300 NE Underground Drive, Suite 300
Kansas City, MO 64144-9900

After applying the first-day-of-issue postmark, the Postal Service will return the envelopes through the mail. There is no charge for the postmark up to a quantity of 50. There is a 5-cent charge for each additional postmark over 50. All orders must be postmarked by October 16, 2017.

Philatelic products for this stamp issue are as follows:
Booklet of 20

• 672106, Press Sheet with Die-cuts, $78.40
• 672110 Digital Color Postmark Keepsake (set of 4), $16.95
• 672116 First-Day Cover (set of 4), $3.72
• 672121 Digital Color Postmark (set of 4), $6.56
• 672124 Framed Art, $29.95
• 672130 Ceremony Program, $6.95

Coil of 10,000

• 760116 First-Day Cover (set of 4), $3.72
• 760121 Digital Color Postmark (set of 4), $6.56

Technical Specifications:

Issue: Flowers From the Garden Stamps
Item Number: 672100
Denomination & Type of Issue: First-Class Mail, Forever
Format: Double-sided Booklet of 20, (4 designs)
Series: N/A
Issue Date & City: August 16, 2017, Sioux Falls, SD 57104
Art Director: Derry Noyes, Washington, DC
Designer: Derry Noyes, Washington, DC
Typographer: Derry Noyes, Washington, DC
Existing Art: Elizabeth Brandon
Modeler: Sandra Lane/Michelle Finn
Manufacturing Process: Offset, Microprint
Printer: Banknote Corporation of America
Printed at: Browns Summit, NC
Press Type: Alprinta 74
Stamps per Booklet: 20
Print Quantity: 500,000,000 stamps
Paper Type: Phosphor Tagged Paper, Block
Adhesive Type: Pressure-sensitive
Processed at: Banknote Corporation of America, Browns Summit, NC
Stamp Orientation: Vertical
Image Area (w x h): 0.77 x 1.05 in./19.56 x 26.67 mm
Stamp Size (w x h): 0.91 x 1.19 in./23.11 x 30.23 mm
Full Pane Size (w x h): 5.74 x 2.38 in./145.87 x 60.33 mm
Press Sheet Size (w x h): 11.49 x 9.5 in./ 291.74 x 241.30 mm
Colors: Cyan, Magenta, Yellow, Black
Plate Size: 800 stamps per revolution
Plate Numbers: “B” followed by four (4) single digits
Marginal Markings: • Plate numbers in peel strip area • © 2016 • USPS in peel strip area

Technical Specifications:

Issue: Flowers From the Garden Stamps
Item Number: 755000
Denomination & Type of Issue: First-Class Mail, Forever
Format: Coil of 3,000 (4 designs)
Series: N/A
Issue Date & City: August 16, 2017, Sioux Falls, SD 57104
Art Director: Derry Noyes, Washington, DC
Designer: Derry Noyes, Washington, DC
Typographer: Derry Noyes, Washington, DC
Existing Art: Elizabeth Brandon
Modeler: Sandra Lane/Michelle Finn
Manufacturing Process: Offset, Microprint
Printer: Banknote Corporation of America
Printed at: Browns Summit, NC
Press Type: Alprinta 74
Stamps per Coil: 3,000
Print Quantity: 45,000,000 stamps
Paper Type: Phosphor Tagged Paper, Overall
Adhesive Type: Pressure-sensitive
Processed at: Banknote Corporation of America, Browns Summit, NC
Colors: Cyan, Magenta, Yellow, Black
Stamp Orientation: Vertical
Image Area (w x h): 0.73 x 0.84 in./18.54 x 21.34 mm
Stamp Size (w x h): 0.87 x 0.98 in./22.10 x 24.89 mm
Plate Size: 560 stamps per revolution
Plate Numbers: “B” followed by four (4) single digits
Coil Number Frequency: Plate numbers every 28th stamp below stamp image

Technical Specifications:

Issue: Flowers From the Garden Stamps
Item Number: 760100
Denomination & Type of Issue: First-Class Mail, Forever
Format: Coil of 10,000 (4 designs)
Series: N/A
Issue Date & City: August 16, 2017, Sioux Falls, SD 57104
Art Director: Derry Noyes, Washington, DC
Designer: Derry Noyes, Washington, DC
Typographer: Derry Noyes, Washington, DC
Existing Art: Elizabeth Brandon
Modeler: Sandra Lane/Michelle Finn
Manufacturing Process: Offset, Microprint
Printer: Banknote Corporation of America
Printed at: Browns Summit, NC
Press Type: Alprinta 74
Stamps per Coil: 10,000
Print Quantity: 100,000,000 stamps
Paper Type: Phosphor Tagged Paper, Overall
Adhesive Type: Pressure-sensitive
Processed at: Banknote Corporation of America, Browns Summit, NC
Colors: Cyan, Magenta, Yellow, Black
Stamp Orientation: Vertical
Image Area (w x h): 0.73 x 0.84 in./18.54 x 21.34 mm
Stamp Size (w x h): 0.87 x 0.98 in./22.10 x 24.89 mm
Plate Size: 560 stamps per revolution
Plate Numbers: “B” followed by four (4) single digits
Coil Number Frequency: Plate numbers every 28th stamp below stamp image

Updated July 6, 2017: Here is the Digital Color Postmark for this show: It measures 2.94″ x 1.38″. The rubber postmark is the standard four-bar FDOI.

Updated June 14, 2017:
The event calendar for the Mary Jo Wegner Arboretum & East Sioux Falls Historic Site has “Event Pending” for August 16th. The Arboretum says its “mission is to nurture connections between plants and people, past and present, in an inspiring natural setting that invites discovery.”

Updated June 1, 2017:
The USPS says these stamps will be issued August 16 in Sioux Falls, South Dakota.

From the USPS, September 20, 2016:

Flowers from the Garden features new stamps with four different paintings of flowers that come from typical American gardens, each bunch artfully arranged. One stamp features red camellias and yellow forsythia in a yellow pitcher, while on another there are white peonies and pink tree peonies in a clear vase. An arrangement of white hydrangeas, white and pink roses, green hypericum berries, and purple lisianthus in a white vase graces another stamp, while blue hydrangeas in a blue pot appear on another. Art director Derry Noyes designed the stamps with existing art by Elizabeth Brandon.