Watering Details: Drought tolerant. Water regularly while establishing, then water only during dry, hot spells. Here are a few popular varieties with their days to maturity. There is a huge range from 56-110 days, so if you have different varieties growing in your garden and some plants aren’t flowering, reference this table or your seed catalogs to review the days to maturity. Variety The winners will be randomly selected from all valid entries received during the promotional period within 2 working days of the Closing Date. Cosmos are sensitive to soil amendments, and a fertilizer heavy in nitrogen, in particular, will promote foliage growth at the expense of flowers. Cosmos perform best when planted in average soil without extra amendments. They will even tolerate poor soil as long as they get full sunlight.

Now that you’ve got your cosmos sorted out, find out how long you can expect them to keep it up in this post, Do Comos Bloom All Summer? Tips To Keep Them Flowering. Cut Flower: Pinch growing point when the plant is 1’ tall to promote multi-stem growth. Harvest when flower buds are starting to open but before pollination occurs to ensure a longer vase life. Single flowers bloom 4-6 days when using flower food. The bloom period can be extended by harvesting stems with several buds at differing maturities to stagger blooming times. Sow Cosmos seed in trays or growing cells during early spring and cover with about 5mm of compost. The seeds are long and thin, so they can be easily handled. Amaryllis Bulbs, Hosta Roots, Lily Bulbs, Papaver Roots, Paperwhite Bulbs, Peony Roots & Siberian Iris Roots Cosmos are heat and sun-loving plants, and without both, they’ll struggle to flower as productively as cosmos are known to do. If your plants are absent of blooms, or there are fewer blooms than you’d expect, then take a look at where you planted them.To help promote cosmos blooms, plant seeds or transplants in a location that receives full sun for at least 8 hours per day. Make sure the soil is well-draining and don’t overwater them. Avoid adding any fertilizer high in nitrogen since that will promote leaf growth instead of flowers. When growing Cosmos plants, water regularly until they are fully established. Deadhead faded Cosmos flowers regularly to encourage more blooms to be produced throughout the summer. By entering this giveaway, entrants confirm that they have read and agree to be bound by these Terms and Conditions and by the decisions of the Suttons Consumer Products, which are final in all matters relating to the giveaway. Failure to do so will result in the forfeiture of the Prize. No correspondence will be entered into. Cosmos won’t benefit from that extra care, though. If you have a patch of soil or a neglected garden bed with so-so soil in it, that’s a much better spot for your cosmos flowers. Save the compost-rich beds for heavy feeders, instead. Suttons Consumer Products or its agencies will not be responsible for the non-inclusion of entries as a result of technical failures or otherwise, including any such failure which is within the control of the Suttons Consumer Products or its agencies. Proof of submission of entry is not proof of receipt of entry.

If you have a slightly shady yard, try growing your cosmos in a pot or other container. That way, you have more flexibility for moving it where the sunniest spot is in your yard.

Super Plugs

Sow Cosmos seed from March to May at a depth of 3mm (1/8") in a good quality seed compost, and cover the seeds with a very fine sprinkling of vermiculite. Place the seed tray in a propagator at a temperature of 18-25C (64-77F) or seal it inside a polythene bag. Keep the soil damp but not wet. Do not exclude light as this aids germination which usually takes 7-15 days. When seedlings are large enough to handle, transplant into 7cm (3″) pots and grow them on in cooler conditions until large enough to plant outdoors. When Cosmos plants are well grown and all risk of frost has passed, acclimatise them to outdoor conditions over 7 to 10 days. Transplant outdoors in full sun in any moist, well drained soil at a distance of 45cm (18″) apart. Pinch out the growing tip of each stem when transplanting to encourage stems to branch and produce more Cosmos flowers. Dobies strives to ensure that all its plants are delivered to you in the perfect condition for planting. While the majority of our nursery plants cope well with slight delays in intransit, sadly, the time it takes to deliver to certain locations in the UK means that we can't guarantee this for some of our smaller plug products and tender bedding and vegetable lines, which do not respond well to the extra journey time. So regretfully while we offer the majority of our live plant offering nationwide, we are unable to ship plugs, begging plants and tender vegetable plants to the following areas: HS, IV41-IV49, IV51, IV55-56, KW15-KW17, PA34, PA41-48, PA60-PA78, PA80, PH40-PH44, TR21-TR24, ZE1-ZE3.

Make sure to grow your cosmos on the southern side of anything taller than them so they don’t spend hours in the shadows cast by the taller object. This could be a wall, mammoth sunflowers, your garden shed…take a look before you plant. These cosmos are planted next to a wall of vines, but they still receive enough light because they’re on the southern side. Soft apricot blooms with a pale lavender underside before fading to a pale creamy yellow. The mauve-pink ring around the centre of each bloom simply adds to its beauty and this unique Cosmos is simply perfect for a warm sunny spot in the garden where it will flower continuously throughout the summer. A wonderful cut flower and a variety we have been wanting to showcase for many years. 20-27”. HHA. How to Grow Cosmos from Seed Light apricot colored petals fading to pink at the center with pink on the underside of flowers. As 3-4” blooms age they fade to a creamy yellow providing ever changing color in your garden and flower arrangements summer through fall. Cosmos attract pollinators of all kinds making them a great companion plant in your vegetable garden. Plants are drought tolerant and their finely textured leaves and stems will add airy interest to your garden and floral arrangements. Suttons Consumer Products may request that the winner participates in publicity arising from the Promotion. The winner is under no obligation to participate and may decline this request. Participation is at the winner’s discretion. If you started seeds early before the weather got consistently warm, the cosmos’ days to maturity (in other words, bloom) might be delayed. Cold soil and cosmos seeds do not mix, as the seeds require warmth to germinate.Late-Season Seeding: Start seed indoors or direct seed outdoors at least 11 weeks before the first frost date. Sow Cosmos seed from March to May at a depth of 3mm (1/8″) in a good quality seed compost, and cover the seeds with a very fine sprinkling of vermiculite. Place the seed tray in a propagator at a temperature of 18-25C (64-77F) or seal it inside a polythene bag. Keep the soil damp but not wet. Do not exclude light as this aids germination which usually takes 7-15 days. Suttons Consumer Products reserves the right at its sole discretion to disqualify any person it finds to be tampering or to have tampered with the operation of the giveaway, or to be acting in violation of these terms and conditions.

Start seed indoors in trays 4-6 weeks before last frost; transplant out after all danger of frost has passed. Cosmos can also be direct seeded once weather has warmed. Keep in mind that cosmos are short-day plants, so if they are young plants, they will bloom best once days are under 14 hours long. They will eventually bloom, even if the days are long. To get the strongest flush of flowers, try starting them indoors 4-6 weeks before planting them out. There is absolutely no cosmos like this beauty. The unique color reminds us of ‘Distant Drums’ roses - watercolored petals start out a soft apricot with a dusty lavender reverse and fade to a buttery yellow. Variations amongst the blooms include some flowers with a mauve ring at the throat. A bit of separation between the petals conjures a pinwheel with snipped dovetail edges. A must grow for event work. Suttons strives to ensure that all its plants are delivered to you in the perfect condition for planting. While the majority of our nursery plants cope well with slight delays in intransit, sadly, the time it takes to deliver to certain locations in the UK means that we can't guarantee this for some of our smaller plug products and tender bedding and vegetable lines, which do not respond well to the extra journey time. So regretfully while we offer the majority of our live plant offering nationwide, we are unable to ship plugs, begging plants and tender vegetable plants to the following areas: HS, IV41-IV49, IV51, IV55-56, KW15-KW17, PA34, PA41-48, PA60-PA78, PA80, PH40-PH44, TR21-TR24, ZE1-ZE3. This giveaway is only open to United Kingdom residents aged over 18, excluding employees of Suttons Consumer Products, their families and all those professionally associated with this Promotion.Drift or group planting produces an especially spectacular display and allows the plants to support one another too. Taller varieties do benefit from a little support, try growing Cosmos between perennials, alternatively growing cages or canes are ideal. The Prize is non-exchangeable or transferable and cannot be used in conjunction with any other offers, promotions, or discounts. This jump start will help the cosmos reach maturity while the days are still shorter than they will be during the peak of summer.