Crocus corms will not bloom if the photo period is not long enough to provide solar energy. Discover exactly when and how to plant Crocus corms and fill your garden with stunning Crocus flowers for most of the year. Sandy soils will require some organic amendment to enhance nutrient content. How to Keep Your Garden Looking Fabulous All Winter Long. Giant Dutch crocus, one of the biggest varieties of crocus which can reach up to 2-4 inches tall. August is the best time to plant in colder locations (zones 3-6). Satisfying the chilling and photo-period requirements are important for crocus bulb growing but so is the actual planting. The bulbs (corms) don't store well and should be planted soon after you receive them. bloom in the fall, winter or spring, depending on the variety, in hues of purple, white, yellow, blue and bi-colored. Plant in any sunny or partly shaded position in cool, moist, humus-rich soil. The chilling period gives the corm the clue that it is not time to grow up through the soil. The 15 weeks of chilling will usually take you into March, which is when daylight hours are increasing and ambient temperatures start to warm. All this signals bloom to the plant and points to the best time to plant a crocus. Where to plant Crocus bulbs. Plant your crocus corms in the fall when your soil has cooled off & the temperature is between 40 to 50 degrees Fahrenheit. Crocus requires a minimum of 15 weeks of chilling to break dormancy. Corms are very similar to bulbs, but corms are specialised sections of the stem. The bulbs are small and rounded, with slight pointed tops - plant with the points facing upwards. HOW TO PLANT CROCUS. How to Plant a Crocus in a Lawn. Flowering mainly in late winter to early spring, many crocuses are good in borders or seasonal containers while others are best in a rock garden or alpine house. Read on for important crocus planting tips. By utilizing a trowel, burrow little openings and plant the corms around 3 to 4 inches down. Crocus prefer full sun to partial shade and gritty, well-drained soil, sandy loam with composted organic matter. Crocus can be grown in all but the tropical and dry arid areas, they do grow well in the temperate or Mediterranean type climates. A sure sign of spring, crocuses have low-growing, colorful, cup-shaped flowers that are a welcome sight in garden beds and lawns. Crocus: Plant Care and Collection of Varieties. Bulbs should be planted 4 in (10 cm) apart or in widely spaced groups of more crowded bulbs. 3. New plants can also be obtained through division. Spring-flowering bulbs should be planted from early autumn, so they have time to produce new roots before the onset of winter. Search our blog for tips, tutorials and the top varieties of the season. In the North this will be in September or October, in the South in October or November. The spring flowering species … Read the label to see how deep to plant your crocus – This may vary for different varieties of bulbs. Planting times for crocus differ from other species. You should plant crocus around 3 inches separated and ensure the bunch contains 10 to 12 corms. Your email address will not be published. Plant with the pointed tip facing upwards, cover with soil, and water once done. Crocus, genus of about 75 low-growing cormose species of plants of the iris family (Iridaceae). Depth and Spacing: Crocus look best when they are planted in groups of 3 to 9 bulbs.Space them 3" apart on center and plant 3” deep. Here are some of our favourite Spring Crocus varieties: Your email address will not be published. Don’t plant in dense shade, such as on the north side of structures. Autumn crocus add a rainbow of colour to the garden as summer flowers start to fade, and Spring Crocus are one of the earliest plants to flower in late Winter. It will not grow in full shade. Spring-flowering plants have a long floral tube that The best time to plant autumn-flowering Crocu s is late July to September. When to Plant: Plant crocus bulbs in the fall, once the weather has cooled down and before the ground has frozen.For best results, plant the bulbs within a month after receiving them. Pre-winter is the best season for developing corms and ensures water it regularly during this season. Plant them 3-4 inches deep and 2-3 inches apart making sure the pointed side of the bulb faces up. They’re good to go under deciduous trees, where they’ll get enough sunlight before most trees have fully leafed out. This allows the corm to develop a root system before going dormant. These plants are perfect for pots and borders and will flower from September into November. The planting time for bulbs varies broadly according to their flowering time. Purpureus Grandiflorus or purple crocus, a crocus variety with an abundance of violet and purple shades. Pickwick, a striped variety of crocus that blooms in early summer with its lilac and purple flowers. Find more gardening information on Gardening Know How: Keep up to date with all that's happening in and around the garden. Tip – Plant Crocus corms in drifts in … Notes Any plant that can bloom through snow is a true winner. This is important to prevent the corms from sitting in a bog and rotting. Crocus es un género de plantas bulbosas perennes perteneciente a la familia Iridaceae.Con más de 80 especies, el género está ampliamente distribuido en África del Norte, Asia y … Cover with the soil and wait until spring! Since Autumn Crocus and Spring Crocus bloom during different seasons in the year, these corms need to be planted at their correct times. After planting, water your bulbs well, thoroughly soaking the area. The plant will not emerge if it doesn’t get this combination of correct conditions. Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area. … Temperate Europe and Asia. You can plant them in the lawn, but for proper crocus care, don’t cut the grass until their leaves turn yellow and disappear. Where to plant: Crocus corms can be planted just about anywhere as long as they get full to partial sun and well-drained soil. If soil has too much clay, amend it with bark, leaf litter or compost. In North America, this is typically in September or October in … Ideally, plant crocus corms 6 to 8 weeks before a hard frost is expected and when the soil temperature is below 60°F (16°C). The process is called vernalization, and most plants undergo some form of it during the cold season; however, some plants don’t even need it to sprout. Plant the corms around 4 inches deep in gritty, well-drained soil. Planting Saffron crocus bulbs can be planting in late summer, fall © Jackie Bale / Getty Images. It suits light shade or can be planted under deciduous shrubs. Just make sure your indoor plant gets plenty of sunlight, or use a grow light during the day. Crocus sativus, commonly known as saffron crocus, is a delicate-looking lavender plant that produces sought-after stigmas. Crocus bulbs can be purchased and planted in the late summer through to late autumn for spring blooming. Spring-blooming crocuses should be planted in the early fall. How to Grow Crocus Sativus. To plant your bulbs, you should follow these easy steps. Sow and Plant. Sometimes it … Make sure they’re spaced twice the bulbs width apart. Sign up to get all the latest gardening tips! It would seem that as long as they get in the ground they will grow when it is time, but actually bulbs, tubers and corms require certain conditions to break dormancy. Avoid heavy clay. For autumn blooming crocuses, plant bulbs in late summer. Crocus speciosus ‘Albus’ RHS AGM – an all white form of this autumn flowering species. Plant the corms around 4 inches deep in gritty, well-drained soil. Plant Crocus corms around 4 inches deep in gritty, well-drained soil. Plant spring-flowering bulbs, such as daffodils, crocus and hyacinths, preferably by the end of September Plant tulips in November Plant hardy summer-flowering bulbs, such as lilies, alliums and crocosmia, in September and October Hundreds of flowers are needed to create even just a tiny amount of Saffron, but the flowers look beautiful even if you don't plan to … Plant Type: Perennial flower Light: Full sun Water: Give the crocus flower well-drained potting soil.Keep them dryer in the summer and water them a little more in the fall. Find a sunny spot in your garden that has good drainage – Crocus bulbs do not like very moist soil. Planting: Plant fall flowering crocus bulbs (corms) in late summer or early fall. Crocuses are most often planted for early spring color, though there are also varieties that bloom in late fall and early winter. When planting crocus bulbs, make sure the bulbs are planted in full sun to light (dappled) shade. Take the temperature of your soil and ensure that it will stay below 60 degrees for 12 weeks or think about planting your crocus in pots. The best way to achieve this is to plant them just before they will experience those circumstances. If you live in a warmer climate simply keep your bulbs in the refrigerator until late winter and then plant them out as annuals. Select corms that are healthy and free of disease, mold or damage. Interestingly, most plants not only need vernalization but they need increased photo hours to sprout. Plant them in the open rather than the shade (unless you live in the South) because crocuses like plenty of sunshine. Therefore, planting times for crocus must include this factor in addition to the chilling period. Plant the corms about 4 inches deep and 2 to 4 inches apart with the pointed end up. Required fields are marked *. If the ground is dry when you're planting make sure to water it well, but don't let it stay soggy or the bulbs could rot. For fall-blooming Saffron crocus, plant in late August or September. Crocus species and cultivars are mostly very hardy and are easily grown plants that are particularly well suited to rockery planting. In the garden these bulbs can be planted in the rock garden, in clumps in the border, naturalized into lawns or grown in containers. Ideally, the best time to plant a crocus is 6 to 8 weeks before the first expected frost. Crocus. First, dig a hole in your desired area that is two to three times the depth of your bulb. Choose a sunny location with well-draining soil for crocus bulb growing. This allows the corm to develop a root system before going dormant. Then bring the plant indoors before the first frost, and watch the blooms brighten up your living space within a few weeks. Since Autumn Crocus and Spring Crocus bloom during different seasons in the year, these corms need to be planted at their correct times. Dig trenches 5 inches deep and plant corms with the flat side down and 1 to 2 inches apart. Plant in late summer to flower in September/October The jewel-like tones of Crocus flowers are just one of the many reasons why these plants are loved by gardeners. Click here to browse or search the plants in this database. Dig holes and plant the crocus bulbs 3-4" deep and 2-3" apart. How to plant crocuses in your garden: Wait until the soil is 60 degrees Fahrenheit or colder. It is not uncommon to see crocus arise from the snow, but without the right amount of sunlight, the plant will fail to bloom. Even if you live in Zones 5 and below, go ahead and plant saffron crocuses outdoors in a pot at the beginning of August. Set out dormant bulbs from late summer to early winter, planting them 3in (8cm) deep. Crocuses are the first bright surprise in early spring, painting the landscape in jewel tones. Save my name, email, and website in this browser for the next time I comment. Crocuses are native to the Alps, southern Europe, and the Mediterranean area and are widely grown for their cuplike blooms in early spring or fall. How to Plant Fall Flowering Crocus. Roots will form in the autumn. The best time to plant autumn-flowering Crocus is late July to September. Plant bulbs as soon as possible after receiving them. This prevents early tender shoots from getting zapped by freezing temperatures. Where, When, and How to Plant Crocus Flower As the spring flowering species flower early, they are great for planting beneath deciduous trees where they will flower before the tree puts on new foliage. Tip – Plant Crocus corms in drifts in grassy areas or around other plants for a naturalistic look. You need to know when to plant crocus. Spacing can be as close as 2in (5cm) between crocus bulbs, which look best when planted in groups of seven or more. Pick a spot in your garden that has well-draining soil and gets full sun or partial shade. Sign up for our newsletter. 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