sensitive fern
Onoclea sensibilis
A freely running, deciduous fern with broad, deeply divided, smooth leaves. Plants spread in moist … Continued
browsing
Eve’s pin, Eve’s needle
Austrocylindropuntia subulata (Opuntia subulata)
In its natural habitat, the plant is capable of growing up to 12’ feet tall. … Continued
prickly pear cactus, devil’s tongue
Opuntia macrorhiza
Low mats of spiny pads which can colonize large beds over time. Showy flowers are … Continued
‘Hot & Spicy’ oregano
Origanum vulgare 'Hot & Spicy'
A hardy and flavorful Greek oregano. This cultivar is best used dried, which reportedly deepens … Continued
Italian oregano
Origanum majoricum
A cross of oregano and majoram, Italian oregano grows to a height of 2′ and … Continued
‘Kent Beauty’ oregano
Oreganum ‘Kent Beauty’
This oregano is grown primarily for its attractive flowers and foliage and can be grown … Continued
dittany of Crete
Origanum dictamnus
Fuzzy gray-green leaves on branched stems covered with hop-like pods and lavender-pink flowers summer through … Continued
‘Drops of Jupiter’ Ornamental Oregano
Origanum hybrid
Bright chartreuse yellow foliage is topped with mauve-pink flowers starting in summer. The leaves are … Continued
marjoram
Origanum majorana
Some call marjoram “Italian oregano” with its similar flavor, though sweeter and milder. A tender … Continued
Chinese dunce caps
Orostachys iwarenge
From a low, blue-grey carpet of rosettes, pinkish conical spires rise. Spires grow to about … Continued
Osage orange (fruitless, thornless)
Maclura pomifera 'White Shield'
Both fruitless and thornless, this tough Midwest native was found in western Oklahoma by plantsman … Continued
royal fern
Osmunda regalis var. spectabilis
Clumps grow to 2-3′ tall, but can reach 6′ in height when planted in moist … Continued