Butterfly Caterpillar Host Plants

White petals alternate with lavender sepals that are topped by a wide corona of frilly white filaments that darken to purple. Frederick Passion Fruit is self-pollinating and the flowers are followed by large purple fruit with a sweet tangy flavor once fully ripe that can be eaten fresh or juiced. This is also considered to be one of the most reliably cold hardy Passionfruit varieties surviving well into zone 9. A vigorous dense and free flowering selection. Can be grown as a container plant where not hardy. Item# 11253

1" wide dark maroon pipe-like flowers are edged and veined in soft yellow and are bordered in a loose yellow fringe produced from spring to fall. The 2-3" wide rounded to heart shaped foliage is accented by white veins and is used by the Pipevine Swallowtail as a host plant. Use Fringed Dutchman's Pipevine, Aristolochia fimbriata, as a hardy deciduous groundcover, allow it to spill from containers, or in hanging baskets to better display the unusual flowers. Item# 9681.

The fragrant very large 5" wide cupped flowers, when pollinated, produce the largest fruit of any of the Passion Fruits and mature to be 5-6" wide and 8-12" long (wow!). The Giant Granadilla, Passiflora quadrangularis, is a vigorous tropical vine with winged square stems and large oval leaves. It prefers a deep, well-drained, moist to average moist, fertile soil and a full to partly sunny position. High humidity and temperatures of 60^oF or more are required for fruit set and pollination. The Giant Granadilla is considered to be self-sterile and so it requires another species or a different clone (ours are clonally propagated), like Passiflora phoenicia 'Ruby Glow', for cross pollination. Item# 11818

Clusters of white to lilac, up to 1" wide, star-shaped, lightly fragrant flowers are produced nearly continuously throughout the warmer months of the year. The large velvety, white to gray green, large rounded tropical foliage of the Giant Milkweed make excellent fodder for Monarch caterpillars and one leaf can provide a substantial amount of food. A large growing shrub in tropical climates where it can be trained into a tree form, grown as a shrub, or hedge. The Giant Milkweed can easily be maintained as a large container plant. Item# 11038

Golden Alexanders ( zizea aurea) produces flat topped clusters of tiny yellow flowers atop tall 2-3' high stems in spring atop the rosette of glossy lobed foliage. This is a member of the carrot family, Apiaceae previously Umbelliferaceae, and is a host of the Black Swallowtail butterfly caterpillar. A native clump forming perennial, Golden Alexanders, Zizia aurea, is found throughout the central and eastern US. It is commonly found in moist woodlands, roadsides, meadows, and prairies. The flowers attract a variety of smaller pollinators including bees and butterflies. The ripened seed heads are utilized by songbirds. Item# 11774

The tall dense spikes of golden yellow flowers and seedheads are held well above the fountaining clump of wide olive green foliage on sturdy 6' high stems beginning in early August and are showy throughout winter. Golden Sunset® Yellow Indiangrass, a University of Minnesota selection of Sorghastrum nutans,  was selected for its early flowering, sturdy stems that do not fall over or lodge and last through winter, as well as for its reliable zone 3 cold hardiness. it has received high marks in trials and has been in development for about 15 years. This is a wonderful refinement for this showy native grass making it a useful addition to both formal and informal garden and landscape settings. The seed heads provide fodder for songbirds and other wildlife and the foliage is utilized by the Pepper-and-Salt Skipper butterfly as a caterpillar host plant. Provide a full to mostly sunny site optimally in a well-drained loamy soil with average moisture but the plants are fairly adaptable to soil types and are drought resistant once fully established. When not in 'flower' the grass itself is about 3' x 3'. Plants may top out at about 4-5' high the first two years of establishment. Images courtesy of the University of Minnesota. Item# 12850

Steel blue spring and summer foliage is topped by nicely contrasting tan colored airy panicles in late summer and fall. In fall the foliage changes to yellow and finally beige creating winter interest and providing food, habitat, and nesting material for a variety of birds and other fauna. Gunsmoke is a selection of our native Switchgrass, Panicum virgatum, with an initially upright to vase shaped habit becoming rounded once flowering begins. This is a naturally clump-forming herbaceous perennial that is found throughout much of the US and into Canada, except for the westernmost states, and is a major component of the Tall Grass Prairies. Switchgrass was also used by native Americans to build long-lasting, rain resistant shelters. The foliage is a larval host to the Delaware Skipper and Dotted Skippers. Adaptable to a wide variety of soil types and moisture regimes. Images courtesy of Walter's Gardens, Inc., all rights reserved. Item# 12305

This native perennial Hibiscus produces 5-6" wide white flowers with a deep burgundy eye over a long period in summer held in clusters atop the white to silvery green foliage. The Hairy Swamp Rosemallow, Hibiscus lasiocarpus, is a perennial Hibiscus that is native to moist acidic soils but will perform nicely in average garden soils in full sun. The perennial native Hibiscus are hosts to a wide variety of butterfly species. Item# 9744

4-6" wide, white to pale pink flowers with a contrasting burgundy eye and showy staminal column are produced in summer along the 4-6' high stems attracting bees, butterflies, and hummingbirds. The Halberdleaved Rosemallow, Hibiscus laevis, is a root hardy herbaceous native perennial Hibiscus producing multiple stems at maturity. It is typically found growing along freshwater lakes, rivers, and streams where it has an ample moisture supply and will likely prefer a similar, consistently moist, fertile soil in a full to mostly sunny site for optimum growth and vigor. This will be a good choice for bogs and rain gardens. The Halberdleaved Rosemallow is native to much of the central and eastern US and gets its name from its halberd shaped foliage. Item# 12975

Steely blue-gray spring and summer foliage is topped by nicely contrasting tan colored airy panicles in late summer and fall. In fall the foliage changes to yellow and finally beige creating winter interest and providing food, habitat, and nesting material for a variety of birds and other fauna. Heavy Metal Switchgrass, a selection of the native Panicum virgatum, with an with a strongly upright, columnar, dense habit that remains upright even through heavy rains. This is a naturally clump-forming herbaceous perennial that is found throughout much of the US and into Canada, except for the westernmost states, and is a major component of the Tall Grass Prairies. Switchgrass was also used by native Americans to build long-lasting, rain resistant shelters. The foliage is a larval host to the Delaware Skipper and Dotted Skippers. Adaptable to a wide variety of soil types and moisture regimes. Item# 12854

Considered by many to be one of the most fragrant Passionvines with a strong gardenia-like perfume emanating from the 2" white flowers that have a purple stripe centered on the frilly corona. May produce delicious passionfruit under good conditions and with cross-pollination. The beautiful silvery-green delicate trilobed foliage makes it a great contrast for darker colored trellises and backdrops. A vigorous growing vine that is adaptive to containers as well. Can be successfully grown indoors. A host plant for the Gulf Fritillary, Variegated Fritillary, Zebra Longwing, and other Heliconian butterflies. Item # 9229.

1/2"-3/4" wide, white to greenish white, mimosa-like flowers sit atop short stalks that emerge from the leaf axils. The flowers are often followed by an unusual and decorative curling cluster of brown to black seedpods that are excellent for wildlife. The fine, fern-like foliage and stems may also be browsed by wildlife and also serve as the host plant for the Northern and Southern Cloudywing Skipper butterflies. Attracts pollinators. Item# 10459.

The deep purple 3-4", richly fragrant exotic looking flowers are produced throughout the growing season on this vigorous Passionvine with medium green foliage. Incense is considered to be one of the hardiest passionvines for US gardens along with the native Maypop Passionvine, Passiflora incarnata, one of its parents, and the US native Yellow Passionvine, Passiflora lutea. In our experience Incense rarely produces fruit on its own and some sources suggest that hand pollination is required. Like the native Maypop Passionflower, Incense readily spreads by rhizomes. A caterpillar host for the Gulf Fritillary, Zebra Longwing, and other Heliconian butterflies. Click on "More Details and Growing Info" or the image to learn more about growing Passionvines as perennials in containers or in the garden and landscape. Item # 464.

The dense crown of dark purple filaments are held against a wonderfully contrasting foil of white to pale lavender petals and sepals on the 3-4" wide wonderfully fragrant flowers. Indigo Dream Passionflower, a Patrick Worley and Rick McCain hybrid with Incense in its parentage, is a moderately vigorous, naturally evergreen tropical vine that clings to supports via tendrils and makes an easy summer climber for medium to large trellises, arbors, or allow it to trail along a fence. It is considered to be root hardy into zone 9 and may remain evergreen in mild winter climates. Where not hardy it may be enjoyed as a container plant and overwintered in a sunny window. Item# 12772

We fell in love instantly with this gorgeous Hibiscus! The summerlong display of large, 8"+ wide, ruffled and textured, deep rose pink flowers have an inner halo of lavender purple and are set against a backdrop of dark olive green foliage all on a heavy flowering well-branched plant. Inner Glow Perennial or Hardy Hibiscus is a vigorous clump-forming perennial that develops into a full, but compact well-branched plant with exceptional flower power. Like most other Walter's Gardens introductions, Inner Glow is an indeterminate plant producing flowers from the top to the bottom of the plants creating an amazing summer into fall display in the garden and landscape. Provide a full to mostly sunny location in moist to average moist to wet, moderately fertile soils. Images courtesy of Walter's Gardens, Inc., all rights reserved. Item# 12843

The dark coppery to burgundy colored cloak of foliage is topped by a summer long display of large full light pink to near white flowers that are delicately marked with darker pink veining and a burgundy eye. A truly remarkable contrast that is impossible to miss in the landscape! A clump forming moisture loving perennial, Kopper King's compact habit and dark foliage make it a stand out when sited behind Louisiana Irises or next to the chartreuse foliage of Maui Gold Elephant Ears. Image courtesy of North Creek Nurseries. Item# 10925

The large pink, dark-eyed flowers of Lady Baltimore Hibiscus are sure to make a statement in the late spring and summer garden. This root hardy, die-back perennial has a compact 5' x 5' habit and is tolerant of soil moisture levels ranging from average moist to wet soils. Lord and Lady Baltimore Hibiscus are the earliest flowering cultivars that we grow. Item# 10318.

Spring and summer offer up a mound of dark purplish-black foliage that covers up in late summer and fall with contrasting white daisies with a purplish-red eye. The flowers of Lady in Black Calico or Woodland Aster attract a myriad of pollinators like bees, smaller butterflies, and other garden beneficials at a time when many are stock piling for winter. This is an easy and reliable clump forming native perennial selected for its deep dark foliage. Lady in Black Woodland Aster is tolerant of light shade but will have the darkest foliage where it receives the most direct sunlight. May reseed on exposed soils. Caterpillar host plant for the Pearl Crescent butterfly. Images courtesy of North Creek Nurseries, all rights reserved. Item# 12114

An exceptionally free flowering passionvine, Lady Lavender produces 3-4" wide, lightly fragrant flowers with purple sepals and petals that fade to near white near their base. The flowers are topped by a corona of blue filaments that fade to white and then darken to deep burgundy at their base. Lady Lavender Passionflower is a sterile Patrick Worley cultivar considered to be hardy to near 10oF. It is large and vigorous enough to cover a medium to large trellis easily in one season or it can be enjoyed as a container plant where not hardy. Provide a full to mostly sunny location and a moderately fertile soil with average drainage for the best flowering. Click on "More Details and Growing Info" or the image to learn more about growing Passionvines as perennials in containers or in the garden and landscape. Item# 11444

Considered to be one of the best flavored Passion Fruit varieties that gets four stars for flavor! This is a popular Hawaiian variety and Lilikoi is the Hawaiian name for "purple passionfruit". This tropical climber is a very easy and strong-growing, perennial vine with dark glossy green foliage and dark purplish green stems and petioles and produces exotic white and purple flowers which are followed by purple, rounded fruit, about the size of tangerines. Item # 9168.

Intense pure red, massive, dinner plate sized flowers are produced beginning in early summer and continuing until fall on this vigorous and free flowering perennial Hibiscus. Lord Baltimore is one of the first widely cultivated Hardy Hibiscus developed by Robert Darby in the 1950's and it is still popular to this day! Perennial Hibiscus produce the largest flowers of any perennial in the garden and the rich red of Lord Baltimore may even stop traffic, if accidentally. It is a vigorous upright to spreading perennial that easily fits into the back of the perennial border or as a specimen in moist sites. Item# 11017

Intense dark magenta-red 6-8" wide heavily textured flowers have a compimentary deep red halo surrounding the burgundy eye with the summer to fall display held against a foil of purple and bronzed tinged young maple-like foliage that matures to deep green. Mars Madness Perennial or Hardy Hibiscus is a vigorous clump-forming perennial that develops into a full, well-branched plant with great flower power!  Like most other Walter's Gardens introductions, Mars Madness is an indeterminate plant producing flowers from the top to the bottom of the plants creating an amazing summer into fall display in the garden and landscape. Provide a full to mostly sunny location in moist to average moist to wet, moderately fertile soils. Images courtesy of Walter's Gardens, Inc., all rights reserved. Item# 12499

The Maypop Passionvine or Passion Flower produces a summer long display of 2-3" wide white, lavender, and purple exotic flowers that are held against medium green tropical foliage. Pollinated flowers are followed by round passion fruit that ripen to yellow and contain a tangy tropical tasting clear flesh that surrounds each of the small black inedible seeds. This easy to grow perennial native vine can grow to 15-18' each year if given a suitable support but it is also happy to clamber along a fence, trellis, or any other support that it can grasp with its strong tendrils. Provide a well-drained soil and a full to mostly sunny position for the best results. The Maypop is the caterpillar host for the Gulf Fritillary and other members of the Longwing family as well as the Variegated Fritillary. Click on "More Details and Growing Info" or the image to learn more about growing Passionvines as perennials in containers or in the garden and landscape. Item# 500

The typical Mexican Butterfly Weed that produces clusters of orange to red-orange flowers with contrasting sunny yellow centers are produced from mid to late spring to frost or nearly year round under warm tropical conditions. An excellent host plant for Monarch, Queen, and Soldier Butterflies. It has a naturally upright to vase shaped habit and the stems are adorned with medium sized deep green narrow foliage. Mexican Butterfly Weed can be grown as a short-lived (2-3 years usually) die-back perennial in zones 8-9, it should remain evergreen in zone 10, and is commonly grown as an annual in colder zones. Makes a wonderful heat and sunloving plant with something of a tropical look. Use Mexican Butterfly Weed at the back of the perennial border or in mixed combination pots. Item# 502