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How to Grow Pampas Grass



The American Pampas Grass belongs to ornamental grasses that look great in your garden, flower pot, or as a xerophyte. It can fashion many gardens and balconies, thanks to its many colours and different growth heights.

Caring for the Cortaderia Selloana is quite easy and it caters for an excellent use as an outside plant, but you have to nevertheless consider a few cultivation details, so that this multi annual grass grows without any faults.

Plant Profile:
 
  • Plant Family: Poaceae
  • Species: Pampas Grasses (Cortaderia)
  • Kind: American Pampas Grass
  • Common Name: Pampa
  • Origin: South America, especially Brazil, Uruguay, Argentina, as well as Chile
  • Growth Height: depends on what kind, up to 300 centimetres
  • Blooming Time: from July to October/November
  • Blossom Colour: white or pink
  • Length: ovate frond
  • Herbaceous plant
  • Winter-proof: partially

The American Pampas Grass makes for an attractive plant and impresses with fascinating accents. It can be kept dryly in your living room, be an amazing eye-catcher in a flower pot, come as a decorative ornamental grass in your garden, or be put between cut flowers. The American Pampas Grass’s origin is in the South-American part of the world, where heat and humidity alternate, that’s why it grows just fine in European regions.

To make sure that the plant is cared for, you have to follow an ideal treatment, as well as following detailed directions and tips for breeding. The Cortaderia Selloana has been cultivated since the middle of the 19th century. To be able to grow on other continents, numerous breedings had to take place to create a plant that matches the upcoming demands.
 

Care



The American Pampas Grass has traveled a long way to be able to grow in Europe, where it can adapt perfectly to the colder winter months, as long as some requirements are met.
Location

The Pampas Grass grows wonderfully, as long as it’s kept in a bright place, if possible in full sunshine. A half-shaded place can be tolerated, but it could reduce the Pampas Grass’s development. The place should also be wind-protected, so that leaves and blossoms won’t suffer from folding over. We advise to keep Pampas Grass away from children.

Its leaves can be quite sharp and you could potentially hurt yourself on them. Since the American Pampas Grass sprouts cannot stand water-logging, it should be kept on hillsides, where unneeded water can run off.
 

Soil Conditions


 
Optimal soil conditions are important so that the Pampas Grass can grow healthily.
  • low-humidity ground
  • sandy or stony
  • permeable earth, without the risk of water-logging
  • drainage made of quartz sand, gravel, or shards, to prevent water-logging

Avoid grounds that are kept moist by ponds, or streams.
 

Soil


 
To keep the Pampas Grass decorative in its flower pot, you should choose a soil that will keep the grass happy for a long time. We advise to go for high-quality soil. If required this can be mixed with cacti soil, to keep the solid dry and let water run off faster. To cater for a better structure, go for soil with white turf, or perlite amounts. The eco-friendly way is to enrich the soil with bark mulch and wood or coconut fibres.
 

Planting


 
Pampas Grass normally survives cold winter times, but it does not possess a resilient winter hardiness, that’s why the grass should never be planted before May. The perfect time to plant Pampas Grass is between the middle and end of May.

To assure a good start in your garden, you should prepare your soil properly. This will contribute to the blossom’s strength and growth. If you abide by the following rules, you’ll do well for the grass.
 
  • dig a planting hole, which has twice the diameter and depth of the root ball
  • if you are not sure about the water-logging, put a few handfuls of quartz sand into the soil
  • enrich the soil with either substrate, or compost
  • now fill the hole to the point that the root ball can lie ten centimetres under the ground
  • put in the ball and close the hole with the remaining soil
  • tramp down the soil, so that the Pampas Grass has stability
  • to round off, water the planting side above the ball without causing a flooding
 
 

Pot Planting

 
The same rules apply to pot planting as to patch planting. In this case the grass has to depend on the soil’s quality, which can result from nature when planted in the garden.

That’s why you should definitely use a nutritious substrate, that should ideally be mixed with cacti soil, to make it more permeable. The pot’s size should be 50% bigger than the root ball. Pampas Grass can grow quite fast, if kept in good conditions, and it also needs space to grow without restricting itself. To prevent water from collecting underneath the pot, we advise to use a bottom plate or placing the pot onto an underground with holes.


 

Watering

The American Pampas Grass likes to be dry, but consistent and well-dosed watering will benefit the growth. That’s why consistent and abundant watering is important. But this requires a permeable soil, as well as drainage, to prevent water-logging and hyperhydration. In general, potted plants have to be watered more regularly.

To recognize the perfect watering time, you simply have to put your finger into the soil. If it yields more than three centimetres and creates a small water surface, you should water the plant.
 

Fertilising

When planted in garden soil the American Pampas Grass is quite unchallenging regarding fertilising. But regular fertilising still caters for a strong and healthy plant development.
 
  • fertilise with compost in a 4 week rhythm and rake it into the soil
  • add liquid fertiliser to pot plants in a 2 week rhythm
  • if you plant with a compost-soil mixture or in a pot with substrate you should wait six weeks in the first case and four weeks in the second before fertilising
  • fertilising season ends with the first frost
  • water the Pampas Grass lightly after every fertilising
 
 

Cutting



To make sure that new buddings have enough space to grow, you should regularly cut old stalks, especially if they are near to new shoots. This also caters for a better air and light permeability, which supports growth. Cutting up to 20 centimetres every spring is recommended and you should make sure that new shoots won’t be damaged.

At the same time leaves should be cut at the end of spring, too. You should be cautious while cutting since the leaves are sharp and can cause deep wounds. That’s why you shouldn’t cut them without gloves and eye protection.
 

Hibernation

The American Pampas Grass is frost-resistant, but can be damaged by moisture through constant rain, snow or high humidity. That’s why you should cover the patch with leaves, brushwood or straw to cater for an optimal hibernation in November. Make sure that the space between stalks is reached. You should also tie the stalks together, you can use natural ribbon, just make sure that it’s not bound too tightly and cuts the stalks.

Another alternative is hibernation in an unheated basement or greenhouse and putting the Pampas Grass into a flower pot. The temperature shouldn’t rise above 10 degrees celsius. High temperature variations between the in- and outside should be avoided while adjusting. That’s why the Pampas Grass should be put inside for hibernation when the first frost arrives. Hibernation approximately lasts from November to the middle/end of May.
 

Multiplication



Pampas Grass is relatively expensive, so breeding is really worth it. The flower formation ends in the autumn and after that the right time arrives for a root division. If you divide them in spring you should expect a delayed blooming time. To perform the division you should dig out the ball and divide it into two or more halves with a spade. Root parts should be planted into the earth or a pot following this, just like described above.

A special fertilisation isn’t needed since the Pampas Grass is preparing for hibernation, but compost never does any harm. In the spring rootstocks should have recovered and are ready for a new blooming and growth phase.
 

Seeding


 
For seeding, male and female Pampas Grass seeds should be mixed. Female plants can be distinguished from male ones by their big blooms and stalk density. Seeding should take place in the spring with temperatures around 20 degrees Celsius, warm temperatures should also be present during night times.

Follow these directions:
  • aerate the garden and pot soil about 8 centimetres and add compost to it
  • the seed should be inserted so that it is only covered with two centimetres of soil
  • press on lightly
  • spray the soil, do not water and keep it consistently moist
  • cover the seeds with a glass, or clear film – keep enough room for the growth in mind
  • location: bright, sunny
  • germination Temperature: 20 degrees celsius to 25 degrees celsius
  • germination Length: ca. 10 to 12 days

If you put the seeds into a pot, just follow the same directions. Just make sure that you use high-quality breeding soil that encourages germination.

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Added by: Alex Gardener - Any content of this site can be used for noncommercial purpose only with active link to the original source - © 2018 ORGANICseeds.TOP

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