Black-eyed Susan Thunbergia alata - Mix orange-yellow 1 m² - Flower seeds

Thunbergia alata

Black-eyed Susan Thunbergia alata - Mix orange-yellow 1 m² - Flower seeds

Thunbergia alata
Bright orange yellow
Warm, orangey yellow flowers with stunning, dark centres. This vibrant mix of black-eyed Susans (Thunbergia alata) brightens up the garden. The plants sprawl and can be placed along supports. The clock vine also looks great as a hanging plant. You can plant the flower seeds all year round. Sow at a temperature of 20 degrees in a seed tray or large flower pot (3 or 4 seeds per pot). The seeds can be planted outdoors from mid-May. The flowers bloom all summer long. The climbing plant grows to about 50 cm tall.
Space the clock vine seeds 20 cm apart. Space the rows at a distance of 20 cm. Plant at a depth of 0.5 to 1 cm. Give the Black-eyed Susan a sunny but sheltered spot. After sowing, water the seeds adequately. The flower seeds come in a bag containing approximately 0.5 grams. This is enough to sow 1 square metre.

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Black-eyed Susan Thunbergia alata - Mix orange-yellow 1 m² - Flower seeds
Black-eyed Susan Thunbergia alata - Mix orange-yellow 1 m² - Flower seeds
Black-eyed Susan Thunbergia alata - Mix orange-yellow 1 m² - Flower seeds
Black-eyed Susan Thunbergia alata - Mix orange-yellow 1 m² - Flower seeds
How we measure

From the bottom of the nursery pot to the top of the plant.

Specifications+
Color: Orange
Edible: No
Flowering: June - October
Cutting flowers: No
Grafted: No
Green stayer: No
Growing Height: 200 cm
Guarantee: 1 year growth and flowering guarantee
Hardy plants: No
Latin name: Thunbergia alata
Leafs all year: No
Preferred location: Sun, Half shadow
Naturalizing: No
Scented: Not Scented
Self polinating: No
Planting+

Sow from March-June, under glass.

Thunbergia is originally a tropical plant and requires quite a lot of heat to germinate.
It’s best to sow your seeds in an indoor miniature greenhouse on the windowsill from the start of March. Ensure a temperature of 21 – 24°C. Fill the pots with potting compost and lay 4 or 5 seeds per 9 cm Ø pot, on top of the soil. Cover with a thin layer of soil and press carefully down. Spray with water and just allow the warmth to do the rest. Hold back growth by standing in a cooler but light spot if you think the weather is not yet good for planting out. Plant out from mid-May after hardening off. To harden off, stand the shoots an hour longer every day for 5 days in a sheltered spot in the shade. Only plant out to their final position after hardening.


 

Thunbergia Vine Mixed

Thunbergia alata is a terrific pot plant. Use a large planter or even a hanging basket of at least 50 cm across, with holes in the base for drainage. Cover the base with gravel or potsherds. Add your potting compost and plant your Black-Eyed Susan root ball at the correct depth. Fill up with more potting compost and press firmly down. Water your Thunbergia generously, immediately after planting. Stand or hang the pot or basket in full sun or part shade.

Train the long Thunbergia shoots up a climbing frame or canes – make sure they are fairly sturdy. It is also possible to grow Black-Eyed Susan vine up against a wall or fencing in the summer too.
 

Care+

Thunbergia alata is a fast grower that requires a lot of water and feeding too – more in summer, less in the autumn. Dead head regularly and this will encourage reflowering. We advise the regular use of fertiliser for pot plants – just add it to the watering can. Thunbergia alata is usually grown as an annual but if you have a greenhouse, this perennial can last over the winter too.

Extra+

Originally from the tropics of Africa, Thunbergia alata really likes the heat. The name Black-Eyed Susan of course refers to the striking dark centre of the flower that resembles the pupil of an eye. The flowers can be white, yellow or orange. An exceptionally fast grower, this vine flowers all summer long and well into the autumn.

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