Blooming of the Titan Arum: University of Wisconsin-Madison, Department of Botany, June 2001

Growth progress of UW-Madison's Titan Arum

Day-by-day growth chart

UW-Madison's titan arum began to blossom around noon on June 7, 2001.
(Thumbnail photos below link to larger versions.)

12:30 p.m.
12:30 p.m.
1:45 p.m.
1:45 p.m.
2 p.m.
2 p.m.
3 p.m.
3 p.m.
4 p.m.
4 p.m.
5 p.m.
5 p.m.
6 p.m.
6 p.m.
7 p.m.
7 p.m.

Time-lapse sequences:
The following Quicktime VR files capture the opening of the flower on June 7. (Each file captures the same sequence.)
Good - 500K | Better - 1000K | Best - 3500K


Inside the spathe
Inside the spathe
Inside the spathe
Close-up of the female and male flowers

Photo of flower on May 25
May 24
Photo of flower on May 29
May 29
Photo of flower on June 1
June 1
Photo of flower on June 4
June 4
Photo of flower on June 5
June 5

Day-by-day growth chart

Chart showing growth progress of flower (see  below for chart data)

June 12 - The spadix has collapsed.
June 11 - The spadix is continuing to collapse at the tip.
June 10 - The spadix is beginning to collapse at the tip, and the spathe is starting to wilt.
June 9 - 8 feet, 5 inches
June 8 - 8 feet, 5 inches (Ties the record for tallest titan arum grown in cultivation on record in the U.S.)
June 7 - 8 feet, 4 inches
June 6 - 8 feet, 2.5 inches
June 5 - 8 feet, 1 inch (Growth has slowed to two inches since June 4.)
June 4 - 7 feet, 11 inches (Purple is starting to develop around the flower bud.)
June 3 - 7 feet, 8 inches (All bracts have fallen from the bud.)
June 2 - 7 feet, 4.5 inches (Growth is slowing. First of the bracts - protective sheaths that originally enclosed the bud - has fallen and a maroon color is developing on the inside of the spathe.)
June 1 - 7 feet, 1 inch
May 31 - 6 feet, 8.5 inches
May 30 - 6 feet, 3.5 inches
May 29 - 5 feet, 9 inches
May 28 - 5 feet, 3.5 inches
May 27 - 4 feet, 9.5 inches
May 26 - 4 feet, 5 inches
May 25 - 4 feet
May 24 - 3 feet, 7.5 inches
May 23 - 3 feet, 3.5 inches
May 22 - 3 feet, .5 inches
May 21 - 2 feet, 9.5 inches inches (determined it was a flower bud, not a leaf)
April 27 - bud emerging