… An herbarium is a collection of plant specimens that have been pressed, dried, and mounted on heavy archival … has a small herbarium of approximately 21,000 specimens. The typical use of an herbarium is in studying plant taxonomy (diversity and classification of plants). But herbarium collections … to make their own specimen to take home. Limit 20. Pre-registration required. This workshop is suitable for ages 10 (with accompanying adult) and up; adults only may also register. Plant …
Type: Item Detail
… Q. Last year, my tomato plants didn’t produce as much fruit as in past years. Why is this and is there anything that I can do about it? A. There can be several reasons to explain low fruit … If evening temperatures fall below 55 degrees, remain above 75 degrees, or if the humidity is too high, blossoms can also drop prematurely. • Tomatoes are pollinated by wind or insects. …
Type: Plant Info
… to the ground old canes of forsythia and lilac. Alternative time to do renovation pruning is in late winter when plants are dormant. Deadhead (or lightly prune) spent lilac blossoms to … will last longer indoors if they are cut in the morning on a long woody stem when the flower is only half open. Cut a second time indoors before putting in a vase and make a vertical slit up … flower production for the following year, pinch off one-half of this new green growth when it is at least one inch in length. …
Type: Plant Info
… Monitor newly planted trees and shrubs for insects or disease. Succulent new growth is often the first area to be attacked by insects. Aphids can be hosed off foliage. Many sucking, … — right into the jar. Continue to water newly planted trees and shrubs each week if rainfall is insufficient. Watch closely for signs of scorch on tender new foliage — the margins of leaves … turn brown and crispy — indicating lack of water and/or exposure to hot drying winds. Pruning is generally not advised this month, with the exception of shrubs that have just flowered. They …
Type: Plant Info
… Randy magnolia is one of the Little Girl series of hybrids developed by the U.S. National Arboretum in the … showy flowers are reddish purple on the outside and white on the inside. The group as a whole is characterized by good floral display and bloom timing somewhat later than the star magnolia, … color, the Magnolia palette also includes white, yellows and purples. Another dominant feature is a prominent fruiting body of small follicles forming a cone-like shape. The species range from …
Type: Garden Guide Plant
… in late April or early May. They are quickly followed by edible berries beloved by birds. This is truly a plant for all seasons, with its beautiful spring flowers, handsome green leaves, striking orange-to-red fall color and silver bark. It is a popular early spring-flowering small tree. Members of the genus Amelanchier offer four … and over 450 plants. Archived Copy: This content was captured before February 2022, and is no longer being updated. …
Type: Garden Guide Plant
… Georgia Pancake bluestar is also known as creeping bluestar for its low-growing and spreading habit. The thread-like green … the same small pale blue flowers and attractive golden fall foliage for which the genus is known. Members of the genus Amsonia are commonly known as bluestars for the abundant small … century American colonist. Archived Copy: This content was captured before February 2022, and is no longer being updated. …
Type: Garden Guide Plant
… 'Blue Ice' is an Amsonia cultivar known for its compact habit and darker blue flowers. Its popularity has grown steadily since its introduction. Shorter than most Amsonia , it is less prone to flopping than many of its siblings; the willow-like foliage remains attractive … century American colonist. Archived Copy: This content was captured before February 2022, and is no longer being updated. …
Type: Garden Guide Plant
… Magic lily ( Lycoris squamigera ) is a "pass-along" plant with a long history of cultivation in the United States. Originally a … seeds. It saves all of its energy for the production of flowers and additional bulbs. This is one of the indicator species that help archaeologists identify old farmsteads. Depending on … the base of the bare stems. Archived Copy: This content was captured before February 2022, and is no longer being updated. …
Type: Garden Guide Plant
… Red Baron magnolia is a hybrid cross between the native M. acuminata and 'Big Dude' that was developed in Wisconsin … color, the Magnolia palette also includes white, yellows and purples. Another dominant feature is a prominent fruiting body of small follicles forming a cone-like shape. The species range from … and more than 150 plants. Archived Copy: This content was captured before February 2022, and is no longer being updated. …
Type: Garden Guide Plant
