List by Plants' Species A - Z
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Here you will find all species listed in alphabetical order. Please refer to the regular category concerning quantity of seeds per package and detailed sowing and cultivation recommendations for each plant species => click on "More Details »" => on the new product detail page click on the category on the bottom left side "Try these categories" |
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Hypericum virginicum (Marsh St. John's Wort)70 (100)cm, Marsh St. John's Wort is a medium sized woody shrub with upright stems covered with elongated oval, bluish-green leaves and topped by rosy-white flowers. Native of humus rich, slightly moist soils alongside water streams and on marshes in eastern North America. For any rich, well drained, preferably slightly moist soil in a sunny spot. USDA Climate Zone 7. VI-VII. |
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Hypochaeris taraxacoides(syn. Robertia taraxacoides) |
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Hyssopus officinalis (Yssop)40 (60)cm, Hyssop has dense, dark green, lanceolate leaves on woody perennial branches with numerous violet flowers at the beginning of summer. Young leaves have a bitter, minty flavor and are used in small quantities for salads, meat and soups. Used in pot-pouris as well. For any rich, well drained soil in a protected spot in full sun. VI-VII. |
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Ibicella lutea (Yellow Devil's Claw)40cm, Yellow Devil's Claw (syn. Proboscidea lutea) is an annual species from the southern USA. It is considered a pre-carnivorous plant which passively catches small insects with sticky glue on stems and leaves. It has showy orange-yellow flowers, followed by fruits containing woody seed capsules with a recurved pointed tip. Sow in mid spring in pots and keep pots outside in a protected and sunny spot. Seeds of this species are slow in germination and may take several months. A sharp drop from daytime temperature (some 25°C) to nightime temperature (some 10°C) will significantly shorten the germination process. Transplant in early summer to the final spot. For any humus rich, well drained soil in full sun. VII-IX. |
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Idesia polycarpa (Japanese Orange Cherry)7 (15)m, Japanese Orange Cherry is a beautiful, middle-sized to tall, deciduous, round headed tree with light green, heart shaped leaves, and long pendulous racemes with fragrant yellowish green flowers followed by most ornamental bright orange red berries in late summer and autumn. Native of woods in southern Japan and central and western China. For any rich, well drained soil in a sunny to partially shaded spot. V-VI. |
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Idesia polycarpa var. vestita (Hairy Japanese Orange Cherry) |
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Ilex aquifolium (European Holly)3 (7)m, European Holly is a beautiful evergreen tall woody shrub to tree with a pyramidal growth habit. It has leathery dark green, glossy leaves with serrated margins and terminal clusters of creamy white flowers followed by long lasting bright red berries in late autumn and winter. Fruiting branches are widely used in Christmas decoration. From humus rich soils woods throughout Europe and Corsica (France) and Sardinia (Italy). Seeds from a wild collection on Sardinia (Italy) at some 1.000m. V-VI. |
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Iliamna remota (Kankakee Mallow)80 (140)cm, Kankakee Mallow is a very rare and endangered ornamental herbaceous perennial with upright stalks covered with pale rose flowers and male-like leaves. Native on Langham Island in the Kankakee River, Kankakee County, Illinois, USA. For any humus rich, well drained, slightly moist soil in a sunny spot. VI-VIII. |
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Iliamna rivularis (Mountain Hollyhock)80 (180)cm, Mountain Hollyhock is a showy herbaceous perennial with upright stalks covered with pale rose to rarely pure white flowers and strongly serrated leaves. Native of mountain streambanks and open spots in moist woods in southwestern USA. For any humus rich, well drained, slightly moist soil in full sun. VII-VIII. |
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Indigofera tinctoria (Real Indigo)100 (200)cm, Real Indigo is an semi-evergreen, tropical woody shrub from India, widely grown in the tropics for extracting a blue dye. It makes showy terminal racemes with pink flowers above feathered leaves. For any rich, well drained substrate in a sunny spot throughout the year. This species is not frost resistant. In winter keep plants drier at a minimum of some 15°C. VII-IX. |
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Inula britannica (British Yellowhead)70cm, British Yellowhead is a perennial from moist meadows in Eurasia and makes intense yellow flower saucers above slightly pubescent, middle green leaves. Easily cultivated in any humus rich, well drained and slightly moist soil in full sun to partial shade. VI-VIII. |
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Inula hirta (Elecampagne)30 (70)cm, Elecampagne is a perennial from meadows in Central Europe with several bright yellow flower saucers with a darker yellow center above strongly pubescent, dark green leaves. Easily cultivated in any rich rich, well drained soil in full sun. VI-VIII. |
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Inula magnifica (Giant Elecampane)200cm, Giant Elecampane makes impressively tall herbaceous stems with terminal, large, rich yellow flowers. Native of meadows in the Caucasus. Easily cultivated in any rich, well drained soil in a sunny spot. Excellent in the rock garden. VI-VII. |
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Inula salicina (Willow Leaf Elecampagne)30 (70)cm, Willow Leaf Elecampagne is a perennial from meadows in Central Europe with several intense yellow flower saucers above narrow, dark green leaves. Easily cultivated in any rich rich, well drained soil in full sun. VI-VIII. |
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Ipheion uniflorum20cm, beautiful sky blue star like flowers with almost white throat on stiff stems. Violet soap fragrance. Very easy and fully hardy. IV-V. |
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Ipomoea alba (Fragrant Moon Flower)3 (10)m, Fragrant Moon Flower is a showy tropical perennial climber with spectacular, very large (up to 15cm in diameter!), white, long tubed and sweet scented flower trumpets which start to open in the evening. Petals are quite flat and resemble a full moon. The leaves are entire heart shaped or lobed. It is native of open spots in woods from northern Argentina to Mexico and Florida (USA). For any humus rich, well drained soil in full sun throughout the year and a winter minimum of some 20°C. Alternatively grow as an annual. Sow in early spring under glass at some 20°C. Ipomoea alba seeds may easily rot within few days if the sowing medium is being kept too moist. Thus keep the substrate just sufficiently moist for seed to germinate. Transplant to the garden after the last freezing nights from end of spring to early summer. VIII-IX. |
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Ipomoea coccinea (Redstar Morning Glory)150 (250)cm, Redstar Morning Glory has numerous small, deep orange-red trumpet shaped flowers with light yellow throats above filigree dissected leaves. For any rich, well drained soil in a sunny spot. VII-IX. |
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Ipomoea costata (Australian Bush Sweet Potato)100 (150)cm, Australian Bush Sweet Potato is a woody perennial with showy deep lilac flower trumpets, leathery oval leaves and potato like storage roots. It is native of rocky, dryish sites in Central Australia. These are traditionally roasted and eaten by the Aboriginies. For any rich, well drained substrate in a full sun throughout the year. Keep drier in winter at a minimum of some 15°C. Our seeds are from the true species and not some other Ipomoea which you may receive from certain other vendors. VII-VIII. |
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Ipomoea lacunosa (Whitestar)200 (400)cm, Whitestar or Small White Morning Glory is an annual vine with dark green, ovate to cordate or 3-lobed leaves and small, pure white, axillary flowers. The stems and leaf edges turn nicely purplish red in full sun. Ipomoea lacunosa isative of moist soils in thickets in the USA. Easily grown in any rich, well drained soil in a sunny spot with some climbing aid. VII-X. |
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Ipomoea muelleri (Australian Morning Glory)200 (400)cm, Australian Morning Glory is a perennial climber with dark green, pubescent, heart shaped leaves and bright violet flower cups. Native of open sites throughout N and central Australia. A nice pot plant for any rich, well drained soil in a sunny spot throughout the year. Keep drier in winter at a winter low of some 15°C. VI-VIII. |
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Ipomoea pes-caprae (Beach Morning Glory)150 (300)cm, Beach Morning Glory is native of coastal tropcial regions where it usually grows in sand-dunes. Ipomoea pes-caprae is a perennial creeping species with fleshy, glossy leaves, and showy bright pink flowers. For any rich, well drained, sandy or rocky soil in a sunny spot. Best grown as a perennial in pots. Keep dryer and always sunny in winter at a minimum of some 15°C. VIII-IX. |
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Ipomoea purpurea (Common Morning Glory)200 (400)cm, Common Morning Glory makes heart shaped leaves and trumpet-like, purple flowers in clusters of three or more. Native of tropical America (Mexico). For any rich, well drained soil in a sunny spot. VIII-IX. |
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Ipomoea versicolor (Fire Vine)200 (400)cm, Fire Vine or Spanish Flag (syn. Ipomoea lobata) is an utmost showy annual from Brazil with elongated racemes of small pale yellowish-white flowers surrounded by white bracts turning to yellow and orange-red with age. For any rich, well drained soil in a sunny spot. Sow under glass in mid spring at some 20°C, transplant seedlings to the final spot in the garden after the last freezing nights from end of spring to mid summer. VII-IX. |
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Iris bracteata (Siskiyou Iris)25cm (40)cm, Siskiyou Iris makes showy, quite large yellow flowers with brownish to violet veins. Iris bracteata is native of California and Oregon. Seeds from a certified wild collection in Josephine County, Oregon, USA at some 650m. For any rich, very well drained soil in a sunny spot. V-VI. |
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Iris bucharica30 (50)cm, iris with bulbous rhizomes for the rock garden in full sun. Early flowering in yellowish shades and white throats in III. |
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