Sarracenia leucophylla

White windows on a tall trumpet

The white is what sets this species apart. Flora of North America (FNA) describes erect pitchers 25 to 100 cm tall, green at the base. The upper part of the tube is ringed with white areolae, patches of tissue without pigment, crossed by green, pink or red veins ^[2]. The hood is wavy, 2.5 to 6.5 cm long, and mostly white, bordered by white, green or red tissue and veins. Its underside carries dense hairs up to 1.5 mm long. The mouth is 2 to 6 cm across ^[2]. The plant also makes five or six (up to eight) flat, upright phyllodia 15 to 50 cm long ^[2].

Two other species have white areolae, and the FNA key separates all three by shape and flower color ^[10]:

• S. leucophylla: erect pitchers, white all around the upper tube and through the hood, hood held well above the mouth, maroon to red petals.
• S. minor: erect pitchers with round white spots only on the back, hood arched tightly over the mouth, yellow petals.
• S. psittacina: pitchers lying on the ground, with the entrance on the side under a ball-shaped hood.

FNA also records pure white pitchers without colored veins, and rare anthocyanin-free plants with yellow petals ^[2].

The late-summer flush

S. leucophylla produces a first flush of pitchers with or just after the flowers, then a second flush of similar shape in late summer. The spring pitchers are smaller and fewer, and the late-summer ones are more robust and especially attractive to moths ^[2].

Because the hood covers the mouth, these pitchers usually stay dry inside instead of filling with rain ^[11]. ICPS warns that pouring fertilizer water into long-tubed pitchers can be counterproductive, because the plant pumps it into the soil, which amounts to soil fertilization ^[7]. That matters more than usual for this species, which the ICPS seed guide describes as more sensitive to fertilizer than others ^[8]. See feeding carnivorous plants before adding anything.

Flowers and a capsule that opens the other way

Flowering is in March and April in the wild. The flowers are only slightly fragrant, with maroon to red petals 4 to 5 cm long on stalks 30 to 80 cm tall, shorter than the pitchers ^[2]. The seed capsule has an oddity: it splits open from the base upward. Every other species in the family opens from the tip downward. G. W. and D. R. Folkerts proposed in 1989 that this lets seeds fall out without catching on the persistent umbrella-shaped style disc ^[2].

A Gulf Coast plant that needs fire

The species grows on the Gulf coastal plain, from the Florida panhandle west of the Ochlockonee River across southern Alabama to southeastern Mississippi. It is rare in southwestern Georgia ^[2]. Where conditions suit it, it forms extensive, nearly solid stands in open wet meadows, seepage slopes and pine flatwoods, and it responds to winter fires with heavy growth the following spring ^[2].

Those stands have shrunk. FNA says development and fire suppression have severely reduced the number of populations ^[2]. Writing in Carnivorous Plant Newsletter in 1998, Hanrahan and Miller recalled that Baldwin County, Alabama, was once known among enthusiasts as “leuco country”, and described its pitcher plant stands being converted to other uses as the county grew ^[12]. NatureServe counts hundreds of surviving occurrences in coastal Alabama and Florida, but only two or three in Georgia, and about half of the 20 known in Mississippi are historical ^[3]. It names fire suppression as the main threat. Logging, development, ditching for pine plantations and mosquito control, stock ponds, feral pigs and off-road vehicles follow, with collecting for horticulture a threat of unknown size ^[3].

IUCN has assessed the species for the Red List; see its Red List assessment ^[13]. Florida places it on the Endangered Plant List of its Regulated Plant Index ^[4]. FNA also notes that in some managed areas the pitchers are harvested in moderation and sold, fresh or dried, as cut flowers ^[2].

S. leucophylla hybridizes with most of its neighbors. FNA lists wild hybrids with S. alata (S. ×areolata), S. flava (S. ×moorei), S. psittacina (S. ×wrigleyana), S. purpurea (S. ×mitchelliana) and S. rubra (S. ×readei, and S. ×bellii with subsp. gulfensis) ^[14].

Growing it outside the Gulf Coast

The species wants long, hot summers and full sun. ICPS rates it hardy to USDA zone 7, but warns that some clones need protection there ^[7]. Freeze damage is the main risk. ICPS lists S. leucophylla among the three species most likely to develop mushy rhizome rot after an early or late freeze catches them before they are fully dormant. Such plants can be saved if some of the rhizome is still firm and white: cut away the soft or brown parts and replant ^[9]. In cold areas, potted plants can spend the winter somewhere cool but sheltered, such as a cold frame or unheated garage ^[7]; see winter dormancy.

Where summers are short or cool, ICPS suggests a greenhouse. It names S. leucophylla, with S. psittacina and S. rosea, as a good heated-greenhouse plant ^[7]. Because the best pitchers come late in the season, follow the general ICPS rule of cutting away only the brown parts of old leaves; the plant reclaims nutrients from green tissue ^[7]. Normal end-of-season browning is covered in Sarracenia pitchers turning brown, and crowded clumps can be divided in early spring.